how can we save biodiversity essay

Biodiversity: Importance and Benefits Essay

Evolution is the process of developing new structures over time and ages. There could be a misconception that evolution is all about change in the physical properties of man. For example we may think that evolution is all about a man developing from simple cell microorganisms through levels like monkeys to what he is today. Though this is a fact in the face of contemporary views on evolution, it is not the only aspect of evolution in question.

Change in so many structures of the earth has lead to many other forms of evolution resulting from the forces acting from these changes. Change in character is also a form of evolution; change in tendencies is also a form of evolution and, change in views and conceptions about certain issues is also a form of evolution and so many other things which are evolutions in their own way. In brief, we talk about change as a result of time and other forces when we talk about evolution. (Greig-Gran, 256-312)

Human beings have a tendency to value long term benefits over short term benefits. Short term benefits are the benefits that someone receives after a short period of time while long term benefits are the ones that one gets after a long period as the term itself points out. Mostly, people prefer to venture in short term benefits rather than long term benefits whether in business or any other activity which they engage in (Patent 46-59).

Over time people have changed from preferring long term benefits to preferring short term but this is not absolute since there are also changes from short term to long term. For example, people have evolved from preferring huntering and gathering to cultivation of crops which take a longer period of time to reap or harvest. This helps them to survive in a world where food supply is decreasing day after day. Initially people thought of long term benefits and that is why they reproduced.

How ever, most of the changes have been a shift from preferring long term benefit to preferring short term benefits. The technological advancements are some of the causes for this change. For example in the field of agriculture, people have developed new breeds that develop faster and that take a short time to grow and be harvested. Where the concept of shortening the time came from is a matter of time also and simply a matter of evolution though it may also been caused by some forces acting on the environment. (Greig-Gran 256-312)

Technological advancements have also contributed to this shift. Increase in population is also a factor that leads to such a change. People have mated at very high rates and this calls for increased amounts of food. There has been an evolution from growing long term crops to growing crops that a very short period of time to develop completely. People have started to use fertilizers to speed up the growth; genetically modified crops which grow first are replacing the normal crops that used to take a long time to develop.

This is due to the fact that man is evolving from the tendency of valuing long term benefits to a tendency of valuing short terms benefits. This kind of crops did not exist before, but they are common today. This and many others illustrate that man has changed or evolved from valuing long term benefits to valuing short term benefits and there is no going back because evolution does not regress and besides its evident that we are moving ahead and not backwards. (Patent 46-59).

So how can we quantify biodiversity? The view of so many people is that we should not question the importance of natural provisions. But we have to understand that human nature benefits from these provisions whether in the long term or in the short term. This way, he should also conserve biodiversity and we must know the worth of biodiversity. The cost benefit analysis can be used to do this. Through this we can know how changes in biodiversity can affect the welfare of human nature. These changes in biodiversity can be influenced by man in one way or the other and this is why the cost and benefits of this activities or actions have to be calculated.

For example in the year 1995, Alaskan gray wolfs which had been extinct from 1930 were re-introduced in the Yellowstone national park. The cost here had to be calculated because it is an activity that involves spending. The benefits have to be compared to the cost of the operation. Short term benefits and long term benefits should be assessed. (Greig-Gran 256-312)

Three quantities can be use to determine the worth of conserving biodiversity. These are direct use value, indirect use value and non use value. From this we can come up with a relationship to determine the value of biodiversity. Thus

• Value (Benefits) of conserving biodiversity = direct use value +indirect use value +non use value.

Where, direct use refers to the present and the expected benefits of the program in comparison to the cost involved. In this case we will consider the value of preserving biodiversity. Thus

• Direct use=Expected benefits-cost of operation

Indirect use value is the value of those things that can not be bought or sold but have some benefits. In ecosystems, these values include the carbon cycle, purification of air, preservation of water sheds and others. (Greig-Gran 256-312)

Non use values are the benefits people get if they don’t use biodiversity. For example, in a case of extinction, people like visiting the extinct sites to see what has happened. If the species are replaced, then this will not happen. Some of these values can not be determined easily but since we must quantify the value of biodiversity, we must determine them under whatever cost. (Greig-Gran, 2006)

The benefits of biodiversity are both long term and short term. Human beings get so many benefits from biodiversity. These services may include food, wood, nitrogen fixation, pollination, and beauty. Other services include maintenance of climate and life, prevention of overflow of water and famine, natural bug’s control, and even spiritual enrichment. Some of these benefits are long term while others are short term. (Greig-Gran, 256-312)

Quantifying the relative merits of short term unsustainable versus long term sustainable usage may not be an easy task. So many quantities have to be considered. One starts by determining which benefits are long term and which ones are short term. This introduces a quantity of time. The time taken by an ecosystem to bring some benefits is a function of the value of the ecosystem. Another quantity is the degree of sustainability which is a probability quantity. Through experience and statistics one can determine the sustainability of a certain benefit of biodiversity. All these functions combined together will lead to the quantification of both long term and short term biodiversity usage. This can be summarized by the relationship (Maclaurin 17-217)

• Long term benefit is a function of time and sustainability.
• Short term benefit is a function of time and sustainability.
• Total benefit is a function of long term benefits and short term benefits

Human beings were created to benefit from the provisions of nature. There can always be a balance between all aspects and members of an ecosystem. This becomes impossible when man exploits the natural environment and destroys the biodiversity instead of conserving it. Let’s join hands and let’s make a decision to take care of nature so that nature can take care of us. (Chivian 19-434)

Works cited

Chivian, Eric. & Bernstein, Aaron. “Sustaining life; How human health depends on biodiversity” Oxford University Press. 2008:19-434.

Greig-Gran, M. “Is tacking deforestation a cost-effective mitigation approach?” International Institute for Economic Development, 2006: 256-312.

Maclaurin, James. & Sterelny, Kim. “What is biodiversity?” University of Chicago Press. 2008:17-217.

Patent, Dorothy “Biodiversity” Sandpiper press. 2003:14-106.

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Bibliography

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How we interact with our environment - Class 12

Course: how we interact with our environment - class 12   >   unit 3.

• What is a biodiversity hotspot?

Why should we conserve biodiversity?

• Conservation and the race to save biodiversity
• Humans and biodiversity
• Protecting biodiversity: the power of the individual
• Protecting biodiversity: local and global policies
• Human impact on ecosystems review
• Human impact on ecosystems
• How to conserve biodiversity

Utilitarian arguments for conserving biodiversity

Non-utilitarian argument for conserving biodiversity..

• (Choice A)   Broadly utilitarian. A Broadly utilitarian.
• (Choice B)   Narrowly-utilitarian. B Narrowly-utilitarian.
• (Choice C)   Ethical argument. C Ethical argument.
• Ramya states that the forest should be conserved in order to fight climate change,
• Karim writes that we owe it to Mother Nature to save the Amazon.
• Samantha suggests that the Amazon must be saved in order to prevent massive shortages in coffee, tea, wood, and other resources.
• (Choice A)   Samantha wrote a narrowly utilitarian argument. A Samantha wrote a narrowly utilitarian argument.
• (Choice B)   Karim wrote a broadly utilitarian argument. B Karim wrote a broadly utilitarian argument.
• (Choice C)   Ramya wrote an ethical argument. C Ramya wrote an ethical argument.

Want to join the conversation?

News from the Columbia Climate School

What You Can Do to Protect Biodiversity

Biodiversity —the variety of all living organisms including ecosystems, plants, animals, their habitats and genes—is fundamental to life on Earth. We need biodiversity for its invaluable ecosystem services, providing oxygen, food, clean water, fertile soil, medicines, shelter, protection from storms and floods, a stable climate and recreation. Tragically, today biodiversity is disappearing at 1,000 times the normal rate due to human civilization. Individual species are being obliterated by habitat loss and degradation, invasive species, the spread of pollution and disease, climate change and the over exploitation of resources. And because the human population, which has doubled since 1970, is expected to reach 9 billion by 2050, the biodiversity crisis will only get worse as more people consume more resources.

What can we as individuals do to help slow the loss of biodiversity?  Since consumption of resources is a root cause of biodiversity loss, we can consume less and be more mindful about what we consume. We need to leverage our purchasing power to help protect biodiversity by consuming products that do not harm the environment. Ecolabels enable consumers to determine which products are green, safe, and environmentally sustainable. But because so many ecolabels have sprung up—in 2010, there were 400 different sustainability certifications available around the world—they can be confusing. Here are some of the most reliable and respected ecolabels to look for.

Green Seal – Established in 1989, Green Seal boasts one of the first environmental certification programs. It uses lifecycle based sustainability standards to certify products, services, and companies that protect the environment and human health. All significant environmental and social impacts are considered, from raw materials extraction through manufacturing to use and disposal. Certified products include cleansers, construction materials, paints, paper, paper towels and tissue, food packaging, and hand soaps. Cleaning services, restaurants and hotels are also certified.

Forest Stewardship Council – The FSC promotes the sustainable management of the world’s forests by ensuring that the harvest of forests for timber and non-timber products maintains a forest’s biodiversity, productivity, and ecological processes, and by respecting the rights of and providing incentives to indigenous people to sustain forest resources. In addition to prohibiting the destruction of natural forests, the FSC safeguards endangered species, and bans toxic pesticides and the planting of genetically modified trees. FSC certified products include lumber, paper, printing, packaging, furniture, and other products made from wood.

LEED – The U.S. Green Building Council provides LEED (Leadership in Energy and Environmental Design) certification for buildings or communities designed and built with environmentally sensitive siting, energy savings, water efficiency, CO2 emissions reduction, sustainable materials, improved indoor environmental quality, innovative technology and strategies, and stewardship of resources. It looks at the building lifecycle from design and construction to operations and maintenance, and substantial retrofits. LEED certification applies to commercial real estate, residential homes, schools and hospitals, and even the design or retrofit of neighborhoods.

Certified Wildlife Friendly – The Wildlife Friendly Enterprise Network promotes wildlife conservation through certifying products that are linked to conservation actions, and that benefit and involve local individuals and communities living with wildlife. Certified products include alpaca garments, essential oils, chili products, rice, eco-fashion, a community market organization, and a conservation program that helps control bushmeat poaching. Each certified entity is tied to conservation efforts for particular species.

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Good article! The Energy Star labeling system is a very good system of identifying household products that are the most energy efficient. It is a shame that these products are tageted by their manufacturers to give them maximum profit margin, which is clearly putting potential customers off from buying them and this results in customers not gaining anything on a supposed return on investment, even after a lengthy time. Kind regards !

Great article! Yes, there are many things we can do to preserve biodiversity and help our planet. One great way is by finding ways to reduce the energy used to heat and cool our homes.

I never really paid much attention to the labels or the variety of the labels. I do have a sadden heart regarding the Rain Forest. I breaks my heart to hear how much de-forestation takes place everyday. I just wish there was some other way to encourage people not to do this.

I know there are a lot of organizations like the Rainforest Alliance that are doing all they can to help. We just need people to stay engaged and remain proactive when it comes to this wonderful natural resource that is so important to our planet.

Thank you for posting this article. I am sure this will benefit many of your readers as much as it has me.

In my area, people still using plastic bags and non-recycle products. If we can’t educate them to reuse and recycle, we still consume more and more resources. Hope they will realized before the global warming become serious.

in my area we are planting fruit

Environmental pollution is growing year by year and we are responsible for this. So that, it our duty to control the pollution. We have concern about reuse and recycling of the waste products. We should use Eco friendly and recyclable product.

God work, it heiped me alot in my exams. Big up

I think education is at the top with anything like this. People aren’t aware of what biodiversity does to for us, so they just assume it’s a word BUT through effective campaigns via social media the younger generations will engage and they’ll learn far more too about what needs to be done to protect it!

The first thing we must do is do educate our kids and talk to our friends about this problem. We can start using eco friendly cleaning products, food that is from natural farm. Choose the products that are not made with chimicals and other toxic mix for environment.

Biodiversity plays a major role in our lives , but mostly in the lives of rural area,settlers without biodiversity the results are high poverty rate, and dependency, thus it is important for every individual to contribute to help maintain and sustain our biodiversity.

What can be done to mitigate Light glare and light trespass that is expanding with newer infill and development? Nocturnal animals are challenged by thoughtless individuals and developers…..

I have seen a lot of people in most rural areas wherein I thought they are the ones who preserve the environment better than the ones who live in the Urban.Nevertheless, people in the rural places had been burning lots of plastics in a pit and no one could implement a rule stating how dangerous it could affect in our nature.I am determined to help and encourage these people that instead of burning their trashes there are lots of ways to recycle it and use it for the better and a way to protect our biodiversity.

thats good for the enviroment

i can do to protect our biodiversity by being a good and responsible person. I thought in the rural areas they are the ones who takes care the environment than the people in the urban areas. They are burning garbages such as plastics that can affect our ozone layer. If i were them instead of burning wastes, i will think of recycling it to become more useful. And it can be a money for them. I will encourage them that instead of burning it and leave it behind, there is a lot of ways to become more useful like recycle them. And use it for the best and it can be one of the things on how we can protect our biodiversity.

plz share dos and donts to conserve biodiversity

To protect our biodiversity is to conserve natural resources. Like the urban areas they are the one who take care of their environment. While the rural areas are not taking care of their environment. They burn plastics and they dont recycle garbages. Instead of that doing that we need to consume electricity and recycle garbages so that we can help protect biodiversity. We must use products that can not harm the environment.

Also,a stable committee should be set-up that will check some of this companies that are in charge of the things concerning biodiversity. Inorder for them not to use chemicals that are harmful to the environment and contributing to the destruction of biodiversity.

Nice post! It’s really important to teach kids how to care for the environment. We should build up some idea on how both parents and educators can teach kids in a fun way.

i love that you are helping other kids learn about our environment.

if we get rid of to meany forest the animals will die because they have no where to live

if we took over the world how much would animals live in this world

well us for one because we are mammals which are animals

Since there is a rapid growth in the human population. We will just keep on destroying habitats and than there wouldn’t be much biodiversity left.

THE FORESTS ARE GETTING DESTROYED

Yes I agree it’s a good one but I want to know how can technological tools help to prevent or reduce the identified loss of biodiversity?

I agree that there needs to be something do to help our communities and the world not loos biodiversity. I also think that teaching are youth about ways they harm biodiversity and nature is very important.

I pledge to recycle, reuse and make better choices!!

we need more biodiversity because it is the keystone to the planets well being .

We all play a part in protecting biodiversity. Even the little thing can go a long way.

i agree to make the world a better place by recycling

We should stop destroying thousands of species by building apartments in nature. We should stop using unhealthy gas.

The Energy Star labeling system is a very good system of identifying household products that are the most energy efficient. It is a shame that these products are tageted by their manufacturers to give them maximum profit margin, which is clearly putting potential customers off from buying them and this results in customers not gaining anything on a supposed return on investment, even after a lengthy time. Kind regards !

That was a great article! People should start using more recyclable items because all of that trash is sent to the bottom of the ocean.

It is amazing how ecolabels are invented. Before, I didn’t really pay attention to those ecolabels since I didn’t know what are those for. But after reading the article, I realized that it is to protect and maintain our biodiversity. It is really important that we preserve our biodiversity because it is what gives us life. Without it, we won’t be able to live and have these materials that we need to survive.

Well written article!! I really enjoyed the paragraph on rainforest alliance. It saddens me very much that deforestation is such a big and recurring problem. I think we used only used recycled things. Get rid of plastic, and go all recycled paper. I al so think we should stop using trees for paper, and wood products. Dead trees are fine but some people use trees that are alive for their wood, and that needs to stop. They want to take down whole forests of trees, but dont want to take the time to grow one.

I try to not used a lot of technology and used of energy consumption as well as water consumption. Maybe one day when I grow I will make a team that assembles and help protect animals habitat

I love how you mentioned that a great way to conserve biodiversity is to consume less natural resources. I think that it would also be beneficial to invest in a service that’s main focus is to help improve biodiversity in landscapes. Thank you so much for your article about biodiversity, Renee.

1.I can plant more tress

2.Tell others around me why it is important so they will do the same and or help

3.I will give water to the trees

4. I will clean up the surroundings

5.Stop puting pollution and gas everywhere

Our biodiversity is very important and it’s a good thing this blog gives us informative articles. Especially on how we can preserve it. Another great thing about this is we gather information and can be spread by many. This blog is one of the great ways I see to conserve our biodiversity. Lastly, it helps to call out others to be aware about what is happening in our biodiversity.

well structured and thought through the post, I believe, this will serve as a great guide to many in identifying with the support for biodiversity conservation.

I love the artical saying that people realize that we are hurting biodiversity and doing something about it

This an great article to read! I think biodiversity is important because it shows us how we are ruining the land for animals and plants if we could stop knocking down trees and ruining plants and animals homes maybe so many animals wouldn’t be going extinct.

great in bringing a incite to how we can better our foods. i shall try not to pollute any grounds at any costs.

Don’t just go on to leave a thumbs down life is beautiful if we did not have it we would not be here so appropriate your surroundings.

living organisms including ecosystem plant animals thier habitats and genes is fundamental to life and earth we need biodeversity

I`ve always been connected to the biodiversity and nature and I understand the affects of human to earth but as us people we could keep our biodiversity by doing stuff that might help because biodiversity helps us in ways that we need to survive and we should help them too.

This article is very informative. It has really showed that there are many things that help to try to preserve our planet.

great article

it contains a lot of information!

I agree to feed the animal with organic foods.

The Marine Stewardship council is a good organisation because its stopping fish species from dieing out by making a limit to fishing its will help fish and coral reefs from bottom fishing.

Great article

the way we can make a change is by not taking up homes of animals and polluting earth

Good article i love how the author gave multiple points and you backed it up with stats and i agree that we should be more involved in trying to help our planet

Interesting article! One way humans have affected biodiversity is by their population and by the use of land.

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Biodiversity: What is it and how can we protect it?

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The UN and its global partners will grapple with the massive loss of animal and plant species and how to avoid further extinction at a major conference beginning 23 January. Here’s a primer on what exactly biodiversity is and how the UN can help support efforts to enable nature to survive and thrive.

What does 'biodiversity' mean and why is it important?

In simple terms, biodiversity refers to all types of life on Earth. The UN Convention on Biological Diversity ( CBD ) describes it as “the diversity within species, between species and of ecosystems, including plants, animals, bacteria, and fungi”. These three levels work together to create life on Earth, in all its complexity.

The diversity of species keep the global ecosystem in balance, providing everything in nature that we, as humans, need to survive, including food, clean water, medicine and shelter.  Over  half of global GDP  is strongly dependent on nature. More than one billion people  rely on forests  for their livelihoods.

Biodiversity is also our strongest natural defence against  climate change . Land and ocean ecosystems act as “carbon sinks”, absorbing more than half of all carbon emissions.

Why are we talking about it now?

Because the first big push of the year to put the UN’s bold plan to protect biodiversity into practice  takes place in the Swiss capital, Bern , between 23 and 25 January. 

Introducing the conference, Patricia Kameri-Mbote, Director of the United Nations Environment Programme ( UNEP ) Law Division,  warned that the lack of coordination between the various organizations trying to protect biodiversity is a “critical challenge” that needs to be urgently overcome “as we strive for a world living in harmony with nature by 2050”. A key aim of the conference will be to solve that problem by pulling together the various initiatives taking place across the world.

Is there a crisis?

Yes. It’s very serious, and it needs to be urgently tackled. 

Starting with the natural and land sea carbon sinks mentioned above. They are being degraded, with examples including the deforestation of the Amazon and the disappearance of salt marshes and mangrove swamps, which remove large amounts of carbon. The way we use the land and sea is one of the biggest drivers of biodiversity loss. Since 1990, around 420 million hectares of forest have been lost through conversion to other land uses. Agricultural expansion continues to be the main driver of deforestation, forest degradation and forest biodiversity loss.

Other major drivers of species decline include overfishing and the introduction of invasive alien species (species that have entered and established themselves in the environment outside their natural habitat, causing the decline or even extinction of native species and negatively affecting ecosystems).

These activities, UNEP has shown , are pushing around a million species of plants and animals towards extinction. They range from the critically endangered South China tiger and Indonesian orangutans to supposedly “ common” animals and plants, such as giraffes and parrots as well as oak trees, cacti and seaweed.  This is the largest loss of life since the dinosaurs.  

Combined with skyrocketing levels of pollution, the degradation of the natural habitat and biodiversity loss are having serious impacts on communities around the world. As global temperatures rise, once fertile grasslands turn to desert, and in the ocean, there are hundreds of so-called “dead zones”, where scarcely any aquatic life remains.

The loss of biodiversity affects the way an ecosystem functions, leading to species being less able to respond to changes in the environment and making them increasingly vulnerable to natural disasters. If an ecosystem has a wide diversity of organisms, it is likely that they will not all be affected in the same way. For instance, if one species is killed off then a similar species can take its place. 

What is the Biodiversity Plan?

The Plan, officially called the Kunming-Montreal  Global Biodiversity Framework , is a UN-driven landmark agreement adopted by 196 countries to guide global action on nature through to 2030, which was hashed out at meetings in Kunming, China and Montreal, Canada, in 2022.

The aim is to address biodiversity loss, restore ecosystems and protect indigenous rights. Indigenous peoples  suffer disproportionately from loss of biological diversity and environmental degradation. Their lives, survival, development chances, knowledge, environment and health conditions are threatened by environmental degradation, large scale industrial activities, toxic waste, conflicts and forced migration as well as by land-use and land-cover changes such as deforestation for agriculture and extractives.

There are concrete measures to halt and reverse nature loss, including putting 30 per cent of the planet and 30 per cent of degraded ecosystems under protection by 2030. Currently 17 per cent of land and around eight per cent of marine areas are protected. The plan also contains proposals to increase financing to developing countries – a major sticking point during talks – and indigenous peoples.

Countries have to come up with national biodiversity strategies and action plans as well as set or revise national targets to match the ambition of global goals.

What else will the UN do to protect biodiversity this year?

Next month the UN Environment Assembly ( UNEA ), otherwise known as the   “World’s Environment Parliament” will meet at the UN office in Nairobi . The event   brings together governments, civil society groups, the scientific community and the private sector to highlight the most pressing issues and improve global governance of the environment. UNEA 2024 will focus on climate change, biodiversity loss and pollution.

However, the main event will be the  UN Biodiversity Conference , which will take place in Colombia in October. Delegates will discuss how to restore lands and seas in a way that protects the planet and respects the rights of local communities.

• biodiversity

Why is biodiversity important?

Biodiversity is essential for the processes that support all life on Earth, including humans. Without a wide range of animals, plants and microorganisms, we cannot have the healthy ecosystems that we rely on to provide us with the air we breathe and the food we eat. And people also value nature of itself.

Some aspects of biodiversity are instinctively widely valued by people but the more we study biodiversity the more we see that all of it is important – even bugs and bacteria that we can’t see or may not like the look of. There are lots of ways that humans depend upon biodiversity and it is vital for us to conserve it. Pollinators such as birds, bees and other insects are estimated to be responsible for a third of the world’s crop production. Without pollinators we would not have apples, cherries, blueberries, almonds and many other foods we eat. Agriculture is also reliant upon invertebrates – they help to maintain the health of the soil crops grow in.  Soil is teeming with microbes that are vital for liberating nutrients that plants need to grow, which are then also passed to us when we eat them. Life from the oceans provides the main source of animal protein for many people.

Trees, bushes and wetlands and wild grasslands naturally slow down water and help soil to absorb rainfall. When they are removed it can increase flooding. Trees and other plants clean the air we breathe and help us tackle the global challenge of climate change by absorbing carbon dioxide. Coral reefs and mangrove forests act as natural defences protecting coastlines from waves and storms. 

Many of our medicines, along with other complex chemicals that we use in our daily lives such as latex and rubber, also originate from plants. Spending time in nature is increasingly understood to lead to improvements in people’s physical and mental health. Simply having green spaces and trees in cities has been shown to decrease hospital admissions, reduce stress and lower blood pressure.

Further reading

Plural valuation of nature matters for environmental sustainability and justice by Berta Martin-Lopez, Social-Ecological Systems Institute, Faculty of Sustainability, Leuphana University of Lüneburg, Germany

Climate change and biodiversity

Human activities are changing the climate. Science can help us understand what we are doing to habitats and the climate, but also find solutions.

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We Need Urgent Action to Protect Biodiversity

By Monica Dean and Lindsay Filgas on August 5, 2020

We can’t live without nature’s help; and nature can’t live without our help. We must protect our planet’s biodiversity to safeguard the future of our ecosystems, our climate, our health — and our humanity. In this special series, the UN Foundation takes a closer look at why and how to protect nature, and we meet some of the people on the frontlines of the fight .

Earth is the only planet in the universe known to host life, from huge blue whales and redwood trees to tiny bacteria and fungi. The variety of plants, animals, and microbes — the world’s biodiversity — is so immense that thousands of species are still being discovered every year.

Human well-being is intimately tied to the well-being of these species, but as societies have become increasingly industrialized, our relationship with nature has changed. Climate change and growing demand for timber, food, and water have put severe stress on biodiversity and the health of natural ecosystems. We are destroying our planet at an unprecedented rate, with hundreds of species going extinct each year.

To address this rising global challenge, this fall world leaders will participate in the virtual United Nations Summit on Biodiversity to support urgent action on the crisis while advancing sustainable development. At the summit leaders have an opportunity to build an ambitious, global response and set the stage for new international commitments on biodiversity conservation that will be set in 2021 at a meeting of the Convention on Biological Diversity, the main forum for nations to work together to protect the only known life in the universe. “International cooperation is vital to protecting biodiversity and conservation of natural resources,” said Tom Lovejoy, UN Foundation senior fellow, and known as the “Godfather of Biodiversity.” “Restoring and protecting biodiversity is critical for both planetary and human health.

Biodiversity is Essential for our Planet, our Climate, our Health

Urgent global action on biodiversity is critical. A year ago, a report by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) found that 1 million species are at risk of extinction — more than ever before in human history. Many other challenges facing biodiversity have caused this growing crisis.

Here are five reasons we need urgent action on biodiversity:

1. Biodiversity is already suffering from human actions. The extinction rate today is 10 to 100 times higher than the past 10 million years. Every animal and plant has a unique, essential role in nature. Each species extinction is like removing a brick from a tower — as more pressure is put on the other bricks, the risk of total collapse increases. Acting now to preserve biodiversity boosts the resiliency of ecosystems to other harms, including climate change.

2. Biodiversity and human health are deeply interconnected. The destruction of natural habitats leads to greater interaction between humans and animals. Biodiversity creates a barrier between humans and dangerous diseases such as COVID-19. In a recent IPBES podcast, Dr. Peter Daszak, a zoologist, explained that most pandemics are linked to wildlife and human-caused environmental change, such as deforestation and wildlife trade. A recent report shows that the cost of protecting biodiversity is orders of magnitude less than the fallout from pandemics such as COVID-19. But the benefits of protecting nature don’t stop at reducing disease. Biodiversity also provides us with food, safe water, and medicine, and it has positive impacts on mental health, from inspiration to preserving cultural practices to enabling recreation.

3. Biodiversity is an essential tool in fighting the climate crisis. Land and ocean ecosystems are currently the only way we have of trapping large amounts of carbon dioxide, and together they absorb 60% of human-caused emissions. Protecting our diverse ecosystems is critical to meeting our climate goals. Not only does biodiversity loss drive climate change, but as the climate changes, biodiversity faces a substantial risk. If we act now, biodiversity can be part of the climate solution. In fact, nature-based solutions — climate strategies with co-benefits for biodiversity — have the potential to provide more than a third of the necessary emissions reductions needed by 2030 to meet the goals of the Paris Agreement.

A native Dayak Iban man in Indonesia collects Entibab palm to eat. Photo: If Not Us Then Who?/ Kynan Tegar

4. Biodiversity loss disproportionately affects poor and Indigenous communities. Because many of these communities rely heavily on biodiversity for food, livelihoods, and health, declines in biodiversity have a more severe impact on them, and in fact they are already experiencing this loss. A quarter of the land on Earth — representing a significant amount of the world’s biodiversity — is home to Indigenous people. For thousands of years they have stewarded our planet’s wild places. Not only is protecting their ways of life important, but their traditional knowledge also can help to protect biodiversity. If we take action now, we can protect biodiversity, lift up marginalized communities, and make progress against inequality and poverty.

5. Sustainable development relies on biodiversity. A majority of Sustainable Development Goals (SDGs) are threatened by declines in biodiversity and ecosystem functions. From hunger and water, to gender and equity, achieving our global goals requires the protection and restoration of ecosystems, as well as the sustainable and equitable use of biodiversity. As 2020 marks the end of the UN Decade on Biodiversity and the start of the Decade of Action and Delivery for Sustainable Development, it’s critical that we strengthen the ties that connect the two.

What We Can Do to Preserve and Protect Biodiversity

At the core of protecting biodiversity is the recognition that it intersects with and underpins all aspects of human well-being and development. Biodiversity exemplifies the deep interconnectedness of the Earth’s systems and reminds us that no SDG can be accomplished in isolation.

The need for urgent action is clear. The coming year is critical for governments to take decisive action on biodiversity, starting with commitments at the UN Summit on Biodiversity in September and continuing through May 2021, when countries will meet to approve a new set of targets, the Post-2020 Global Biodiversity Framework.

However, government commitments alone will not be enough. Individual actions — from avoiding plastic pollution to supporting sustainable agriculture — can help protect biodiversity and be part of a global transition to a more sustainable world. Each species, including humans, plays a role on our planet, and it’s our job to act now to preserve the health of all species, including our own.

The UN Foundation has partnered with Indigenous photographers from  If Not Us Then Who? to tell stories of their respective communities and share the importance of biodiversity. See more work from Edgar  and Kynan  on Instagram and be sure to follow.

Featured photo and parallax photos: If Not UsThen Who?/ Edgar Kanayko

Lindsay Filgas is the UN Foundation Schneider Fellow for Climate

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Biodiversity 101: Why it matters and how to protect it

• May 21, 2020

The Earth is undergoing a mass extinction that could see up to a million species disappear in the coming decades – and humans are contributing heavily to this.

The numbers are staggering: the population sizes of vertebrate species, which include mammals, reptiles, birds and fish, dropped by around half between 1970 and 2010 . A quarter of mammals, 40 percent of amphibians, and 30 percent of sharks and rays are currently endangered .

During the 20th century, extinction rates were about 100 times higher than they would have been without humans significantly altering most of the planet’s surface .

What does this loss of biodiversity mean for the future of the planet and its inhabitants – and what can we do about it? The first step is understanding the basics, unraveled in easy-to-digest terms here in this explainer:

What is biodiversity?

How is biodiversity measured, what are the benefits of biodiversity, what are the main threats to biodiversity, how can we protect biodiversity.

Coined by biologists in the 1980s as a contraction of biological diversity , the term usually refers to the variety of life on Earth as a whole . The U.N. Convention on Biological Diversity (CBD) breaks it down as follows :

“Biological diversity” means the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part.

But the CBD makes it clear that measuring biodiversity is no simple feat:

This includes diversity within species, between species and of ecosystems.

Let’s start with biodiversity between species, or species diversity . Arguably the simplest measure is ‘species richness’ – a count of how many species live in a community.

But species richness does not consider the relative abundance of each species, or its importance to an ecosystem or landscape, or its value to people. As such, biologists have invented diversity indices, such as the Simpson index and the Shannon index , to take these factors into account.

When talking about biodiversity loss, we often focus on losses in species diversity, as it is crucial to maintain the balance of ecosystems, nutritional value of food, and enhance resilience of ecosystems and landscapes to the threats of climate change and other risks like weeds and pests.

Yet genetic diversity – the characteristics of a species’ genetic makeup – is equally important, as it ensures resilience to change and stressors on a more individual level.

Consider the following analogy: in investing, a diversified portfolio minimizes risk and usually provides the most reliable returns. Likewise, genetic diversity protects a species from being wiped out by an external shock like a natural disaster or disease outbreak.

At the largest scale is the concept of ecosystem diversity , which measures how many different ecosystems exist within a geographical area or wider landscape. The more ecosystems exist within a landscape, the more resilient that landscape is, and the more services it has to offer its inhabitants. 

These include wetlands , which contain over 40 percent of the value of the world’s ecosystems ; peatlands , which store a third of the planet’s soil carbon; and lesser-known tropical forests such as monsoon and karst forests , which are among our best natural defenses against climate change.

You might have also heard of ‘biodiversity hotspots.’ These are landscapes with exceptionally high concentrations of biodiversity. 43 percent of bird, mammal, reptile and amphibian species are only found in areas that make up just 2.4 percent of the Earth’s surface .

Healthy and functional ecosystems play a crucial role in sustaining human livelihoods through providing necessities and benefits such as food, water, energy sources and carbon sequestration, known as ‘ecosystem services.’

One study estimates that each year, the goods and services provided by the planet’s ecosystems contribute over USD 100 trillion to the global economy , more than double the world’s gross domestic product (GDP). But much debate remains over how to factor in non-monetary values, such as natural beauty, regulating functions, and providing homes for humans and animals.

Underpinning ecosystem services are genetic diversity and biodiversity. Genetic diversity supports agriculture by building resilience and protecting against environmental stresses such as pests, crop diseases and natural disasters . This provides a source of income and safeguards the food security of much of the world’s poor.

Biodiversity also plays a role in some ‘ nature-based solutions ’ to climate change and problems caused by changes in the environment. These solutions could provide up to a third of the carbon emissions reductions needed to meet the Paris Agreement goals .

Including biodiversity in nature-based solutions, though, must be a conscious choice. Tree planting , for instance, can come in the form of monocultures (planting just a single species in a landscape) or agroforestry, which mixes species of agricultural crops and trees in a single landscape to enhance the sustainability of both.

While each of these cases offers a different set of financial and environmental benefits, most experts will sing the praises of nature-based solutions that take into account biodiversity over those that don’t.

And, let us not forget: the planet’s various ecosystems and landscapes also hold considerable intrinsic value to humans, whether for their recreational opportunities, their cultural importance to Indigenous communities , or their contributions to physical and mental health . Without biodiversity, these values will be lost.

In a seminal report published last year, the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) identified five direct drivers of biodiversity loss: changes in land and sea use, overexploitation, climate change, pollution, and invasive species.

These five drivers, it argues , are in turn driven by increasing demand for natural resources, as well as governance structures that prioritize economic growth over conservation and restoration.

Land and sea use

The most widespread form of land-use change has been the expansion of agriculture : according to the IPBES report, over a third of the Earth’s land surface is now used for cropping or livestock, mainly at the expense of forests , wetlands and grasslands.

The tropics , which are home to the highest levels of biodiversity on Earth, are now seeing their ecosystems replaced by cattle ranching in Latin America and plantations in Southeast Asia .

Other key land-use changes include logging, mining and urbanization. Coastal and marine ecosystems have also been significantly affected by activities such as offshore aquaculture, bottom trawling, coastal development and ocean mining .

Overexploitation

The IPBES suggests that fishing has had a larger impact on marine ecosystems than any other human activity: 33 percent of marine fish stocks are currently overfished, and 60 percent are being fished to their sustainable limits. Poaching and hunting , too, are driving many mammals to the brink of extinction.

Climate change

Humans have caused the planet to warm by around 1 degree Celsius since pre-industrial times – and biodiversity is already bearing the brunt of that warming. Climate change is reducing the distribution of many species (the geographical area in which they can survive), including almost half of all endangered mammals.

Changes in the ecological balance can also result in species that can beneficial turning into pests and plagues once their natural enemies are reduced or disappear: think locusts, mosquitos, algae.

Many plants and animals are also experiencing disruptions to their phenology , which refers to seasonal life cycle events such as flowering, migration and hibernation.

Mining, agriculture, industry and other pervasive changes in human’s land-use are contributing to air, water and soil pollution. The IPBES notes that coastal waters contain the highest levels of metals and organic pollutants, such as industrial discharge and fertilizers.

Similarly, marine plastic pollution has increased tenfold since 1980, primarily affecting marine turtles, seabirds and marine mammals, as well as humans indirectly through the food chain.

Invasive species

An invasive alien species is a species that has been introduced to a new location and starts to disrupt its new habitat. These species can threaten native biodiversity by out-competing them for resources, and they’re spreading ever more quickly as international travel and trade expands. A recent study found that one-sixth of the Earth’s land surface is highly vulnerable to invasion , including many biodiversity hotspots.

Humanity’s ecological footprint is about 70 percent larger than the planet can sustain – and in the world’s richest countries, that figure is as much as four or five times larger. Given these huge inequalities in both living standards and ecological impact, residents of industrialized nations can – and should – do their part to preserve biodiversity by helping contribute to more sustainable global systems.

At the individual level, that could include reducing air travel, buying organic , eating less red meat, avoiding fast fashion , and turning your backyard into a carbon sink .

At the international and policy level , we need commitments to restore the Earth’s ecosystems , following the examples set by the Everglades and farmers in the African Sahel .

Indigenous and local communities are deep and rich sources of traditional knowledge of how best to care for increasingly fragile landscapes. Technological innovation is a crucial tool too.

And with biodiversity worth more in monetary terms than the entire global economy , there’s a clear business case to be made for investing in restoring the planet .

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The term "biodiversity" is used to describe the variety of plants, animals, and other species found in an environment. All of them have a significant impact on preserving the planet's healthy ecosystem. In order to sustain the health of the ecosystem and human life, it is critical to maintain a high degree of biodiversity.

However, maintaining biodiversity is getting more challenging due to the increasing air, water, and land pollution on our planet. A number of plant and animal species have gone extinct as a result of the quick environmental changes brought on by the aforementioned causes of biodiversity loss.

By encouraging individuals to adopt more environmentally friendly behaviours and practises and to build a more peaceful and sympathetic relationship with the environment, it is possible to preserve biodiversity.

‘Bio’, which stands for life, and ‘diversity’, which means variety, make up the phrase "biodiversity." The diversity of life on Earth is referred to as biodiversity. Living species include all types of plants, animals, microorganisms, and fungus.

Benefits Of Biodiversity

Community engagement to protect biodiversity is crucial. Biodiversity has several economic advantages.

Many parts of the world benefit economically from biodiversity. The tourism and recreation industries are facilitated by biodiversity. National Parks and Natural Reserves gain a lot from it.

The best locations for ecotourism, photography, art, cinematography, and literary works are in forests, animal reserves, and sanctuaries.

Biodiversity is essential for maintaining the gaseous composition of the atmosphere, breaking down waste, and removing contaminants.

Biodiversity helps in improving soil quality.

Types Of Biodiversity

Genetic Biodiversity | Genetic diversity refers to the variance in genes and genotypes within a species, such as how each individual human differs from the others in appearance.

Species Biodiversity | The variety of species found in a habitat or an area is known as species diversity. It is the diversity of life that is seen in a community. Ecosystem Biodiversity | The diversity of plant and animal species that coexist and are linked by food webs and food chains is referred to as ecological biodiversity.

The biological diversity of many plants and animals is essential to everything. However, biodiversity is declining daily for a number of causes. Our planet could no longer be a place to live if it doesn't stop. Thus, several strategies help in boosting the earth's biodiversity. The three main threats to biodiversity today are habitat loss, hunting, and poaching. At an alarming rate, humans are destroying forests, grasslands, reefs and other natural areas.

Hundreds of species that live in these habitats are therefore vanishing every year. Due to population decline caused by illegal hunting and poaching, several species are put under even more stress.

Importance Of Biodiversity

Maintaining biodiversity is crucial for the health of the ecological system. Many species of plants and animals are dependent on each other. As a result, if one becomes extinct, the others will begin to become vulnerable. Additionally, as both plants and animals are necessary for human existence, it is crucial for us as well. For instance, in order to exist, humans require food, which we obtain from plants. We cannot produce any crops if the soil does not provide a conducive climate. As a result, we won't be able to live sustainably on this planet.

Biodiversity in both flora and fauna is essential today. Therefore, to prevent the decrease in species in danger, we need to implement a number of interventions. Furthermore, vehicle pollution should decrease. So that both humans and animals can get fresh air to breathe. Moreover, it will also decrease global warming which is the major cause of the extinction of the species.

How To Preserve Biodiversity

The basic goal of biodiversity conservation is to protect life on earth, all species, the ecosystem, and a healthy environment for all time so that it will continue to be healthy for future generations. The maintenance of the food chain, the provision of a healthy habitat for many animals, including people, and the promotion of our sustainable development all depend heavily on biodiversity conservation.

Here are some ways you can preserve biodiversity:

Set Up Gardens | The simplest approach to increase biodiversity is to build gardens inside of homes. In the yard or even on the balcony, you may grow a variety of plants. Additionally, this would contribute to bringing in more fresh air within the house.

Plant Local Flowers, Fruits And Vegetables | Plant a variety in your backyard or a hanging garden using the native plants, fruits, and vegetables of your region. Nurseries are excellent places to learn about caring for and preserving plants.

3 R’s | Reduce your consumption, reuse what you can, recycle before throwing away.

Since humans consume the majority of biodiversity resources, it is primarily their duty to maintain and safeguard biodiversity in order to save the environment. The diversity of species, the health of the ecosystem, the state of the environment, and the continued viability of life on earth are crucial. By maintaining and safeguarding species, ecosystems, and natural resources, biodiversity conservation can be achieved for the sustainability of a healthy planet. Some rare species can be saved with the help of law enforcement.

All living species are interconnected and can be negatively impacted by one disturbance and therefore maintaining biodiversity is crucial for human survival. Inadequate biodiversity protection puts human life, as well as the lives of plants, animals, and the environment, at danger. As a result, we must make every effort to preserve our biodiversity.

Explore Career Options (By Industry)

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Data Administrator

Database professionals use software to store and organise data such as financial information, and customer shipping records. Individuals who opt for a career as data administrators ensure that data is available for users and secured from unauthorised sales. DB administrators may work in various types of industries. It may involve computer systems design, service firms, insurance companies, banks and hospitals.

Bio Medical Engineer

The field of biomedical engineering opens up a universe of expert chances. An Individual in the biomedical engineering career path work in the field of engineering as well as medicine, in order to find out solutions to common problems of the two fields. The biomedical engineering job opportunities are to collaborate with doctors and researchers to develop medical systems, equipment, or devices that can solve clinical problems. Here we will be discussing jobs after biomedical engineering, how to get a job in biomedical engineering, biomedical engineering scope, and salary. 

Ethical Hacker

A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.

GIS officer work on various GIS software to conduct a study and gather spatial and non-spatial information. GIS experts update the GIS data and maintain it. The databases include aerial or satellite imagery, latitudinal and longitudinal coordinates, and manually digitized images of maps. In a career as GIS expert, one is responsible for creating online and mobile maps.

Data Analyst

The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

Geothermal Engineer

Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.

Database Architect

If you are intrigued by the programming world and are interested in developing communications networks then a career as database architect may be a good option for you. Data architect roles and responsibilities include building design models for data communication networks. Wide Area Networks (WANs), local area networks (LANs), and intranets are included in the database networks. It is expected that database architects will have in-depth knowledge of a company's business to develop a network to fulfil the requirements of the organisation. Stay tuned as we look at the larger picture and give you more information on what is db architecture, why you should pursue database architecture, what to expect from such a degree and what your job opportunities will be after graduation. Here, we will be discussing how to become a data architect. Students can visit NIT Trichy , IIT Kharagpur , JMI New Delhi . 

Remote Sensing Technician

Individuals who opt for a career as a remote sensing technician possess unique personalities. Remote sensing analysts seem to be rational human beings, they are strong, independent, persistent, sincere, realistic and resourceful. Some of them are analytical as well, which means they are intelligent, introspective and inquisitive. 

Remote sensing scientists use remote sensing technology to support scientists in fields such as community planning, flight planning or the management of natural resources. Analysing data collected from aircraft, satellites or ground-based platforms using statistical analysis software, image analysis software or Geographic Information Systems (GIS) is a significant part of their work. Do you want to learn how to become remote sensing technician? There's no need to be concerned; we've devised a simple remote sensing technician career path for you. Scroll through the pages and read.

Budget Analyst

Budget analysis, in a nutshell, entails thoroughly analyzing the details of a financial budget. The budget analysis aims to better understand and manage revenue. Budget analysts assist in the achievement of financial targets, the preservation of profitability, and the pursuit of long-term growth for a business. Budget analysts generally have a bachelor's degree in accounting, finance, economics, or a closely related field. Knowledge of Financial Management is of prime importance in this career.

Underwriter

An underwriter is a person who assesses and evaluates the risk of insurance in his or her field like mortgage, loan, health policy, investment, and so on and so forth. The underwriter career path does involve risks as analysing the risks means finding out if there is a way for the insurance underwriter jobs to recover the money from its clients. If the risk turns out to be too much for the company then in the future it is an underwriter who will be held accountable for it. Therefore, one must carry out his or her job with a lot of attention and diligence.

Finance Executive

Product manager.

A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.  

Operations Manager

Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

Stock Analyst

Individuals who opt for a career as a stock analyst examine the company's investments makes decisions and keep track of financial securities. The nature of such investments will differ from one business to the next. Individuals in the stock analyst career use data mining to forecast a company's profits and revenues, advise clients on whether to buy or sell, participate in seminars, and discussing financial matters with executives and evaluate annual reports.

A Researcher is a professional who is responsible for collecting data and information by reviewing the literature and conducting experiments and surveys. He or she uses various methodological processes to provide accurate data and information that is utilised by academicians and other industry professionals. Here, we will discuss what is a researcher, the researcher's salary, types of researchers.

Welding Engineer

Welding Engineer Job Description: A Welding Engineer work involves managing welding projects and supervising welding teams. He or she is responsible for reviewing welding procedures, processes and documentation. A career as Welding Engineer involves conducting failure analyses and causes on welding issues. 

Transportation Planner

A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.

Environmental Engineer

Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems. 

Safety Manager

A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.

Conservation Architect

A Conservation Architect is a professional responsible for conserving and restoring buildings or monuments having a historic value. He or she applies techniques to document and stabilise the object’s state without any further damage. A Conservation Architect restores the monuments and heritage buildings to bring them back to their original state.

Structural Engineer

A Structural Engineer designs buildings, bridges, and other related structures. He or she analyzes the structures and makes sure the structures are strong enough to be used by the people. A career as a Structural Engineer requires working in the construction process. It comes under the civil engineering discipline. A Structure Engineer creates structural models with the help of computer-aided design software. 

Highway Engineer

Highway Engineer Job Description:  A Highway Engineer is a civil engineer who specialises in planning and building thousands of miles of roads that support connectivity and allow transportation across the country. He or she ensures that traffic management schemes are effectively planned concerning economic sustainability and successful implementation.

Field Surveyor

Are you searching for a Field Surveyor Job Description? A Field Surveyor is a professional responsible for conducting field surveys for various places or geographical conditions. He or she collects the required data and information as per the instructions given by senior officials. 

Orthotist and Prosthetist

Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.

Pathologist

A career in pathology in India is filled with several responsibilities as it is a medical branch and affects human lives. The demand for pathologists has been increasing over the past few years as people are getting more aware of different diseases. Not only that, but an increase in population and lifestyle changes have also contributed to the increase in a pathologist’s demand. The pathology careers provide an extremely huge number of opportunities and if you want to be a part of the medical field you can consider being a pathologist. If you want to know more about a career in pathology in India then continue reading this article.

Veterinary Doctor

Speech therapist, gynaecologist.

Gynaecology can be defined as the study of the female body. The job outlook for gynaecology is excellent since there is evergreen demand for one because of their responsibility of dealing with not only women’s health but also fertility and pregnancy issues. Although most women prefer to have a women obstetrician gynaecologist as their doctor, men also explore a career as a gynaecologist and there are ample amounts of male doctors in the field who are gynaecologists and aid women during delivery and childbirth. 

Audiologist

The audiologist career involves audiology professionals who are responsible to treat hearing loss and proactively preventing the relevant damage. Individuals who opt for a career as an audiologist use various testing strategies with the aim to determine if someone has a normal sensitivity to sounds or not. After the identification of hearing loss, a hearing doctor is required to determine which sections of the hearing are affected, to what extent they are affected, and where the wound causing the hearing loss is found. As soon as the hearing loss is identified, the patients are provided with recommendations for interventions and rehabilitation such as hearing aids, cochlear implants, and appropriate medical referrals. While audiology is a branch of science that studies and researches hearing, balance, and related disorders.

An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.

Are you searching for an ‘Anatomist job description’? An Anatomist is a research professional who applies the laws of biological science to determine the ability of bodies of various living organisms including animals and humans to regenerate the damaged or destroyed organs. If you want to know what does an anatomist do, then read the entire article, where we will answer all your questions.

For an individual who opts for a career as an actor, the primary responsibility is to completely speak to the character he or she is playing and to persuade the crowd that the character is genuine by connecting with them and bringing them into the story. This applies to significant roles and littler parts, as all roles join to make an effective creation. Here in this article, we will discuss how to become an actor in India, actor exams, actor salary in India, and actor jobs. 

Individuals who opt for a career as acrobats create and direct original routines for themselves, in addition to developing interpretations of existing routines. The work of circus acrobats can be seen in a variety of performance settings, including circus, reality shows, sports events like the Olympics, movies and commercials. Individuals who opt for a career as acrobats must be prepared to face rejections and intermittent periods of work. The creativity of acrobats may extend to other aspects of the performance. For example, acrobats in the circus may work with gym trainers, celebrities or collaborate with other professionals to enhance such performance elements as costume and or maybe at the teaching end of the career.

Video Game Designer

Career as a video game designer is filled with excitement as well as responsibilities. A video game designer is someone who is involved in the process of creating a game from day one. He or she is responsible for fulfilling duties like designing the character of the game, the several levels involved, plot, art and similar other elements. Individuals who opt for a career as a video game designer may also write the codes for the game using different programming languages.

Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.

Radio Jockey

Radio Jockey is an exciting, promising career and a great challenge for music lovers. If you are really interested in a career as radio jockey, then it is very important for an RJ to have an automatic, fun, and friendly personality. If you want to get a job done in this field, a strong command of the language and a good voice are always good things. Apart from this, in order to be a good radio jockey, you will also listen to good radio jockeys so that you can understand their style and later make your own by practicing.

A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.

Choreographer

The word “choreography" actually comes from Greek words that mean “dance writing." Individuals who opt for a career as a choreographer create and direct original dances, in addition to developing interpretations of existing dances. A Choreographer dances and utilises his or her creativity in other aspects of dance performance. For example, he or she may work with the music director to select music or collaborate with other famous choreographers to enhance such performance elements as lighting, costume and set design.

Social Media Manager

A career as social media manager involves implementing the company’s or brand’s marketing plan across all social media channels. Social media managers help in building or improving a brand’s or a company’s website traffic, build brand awareness, create and implement marketing and brand strategy. Social media managers are key to important social communication as well.

Photographer

Photography is considered both a science and an art, an artistic means of expression in which the camera replaces the pen. In a career as a photographer, an individual is hired to capture the moments of public and private events, such as press conferences or weddings, or may also work inside a studio, where people go to get their picture clicked. Photography is divided into many streams each generating numerous career opportunities in photography. With the boom in advertising, media, and the fashion industry, photography has emerged as a lucrative and thrilling career option for many Indian youths.

An individual who is pursuing a career as a producer is responsible for managing the business aspects of production. They are involved in each aspect of production from its inception to deception. Famous movie producers review the script, recommend changes and visualise the story. 

They are responsible for overseeing the finance involved in the project and distributing the film for broadcasting on various platforms. A career as a producer is quite fulfilling as well as exhaustive in terms of playing different roles in order for a production to be successful. Famous movie producers are responsible for hiring creative and technical personnel on contract basis.

Copy Writer

In a career as a copywriter, one has to consult with the client and understand the brief well. A career as a copywriter has a lot to offer to deserving candidates. Several new mediums of advertising are opening therefore making it a lucrative career choice. Students can pursue various copywriter courses such as Journalism , Advertising , Marketing Management . Here, we have discussed how to become a freelance copywriter, copywriter career path, how to become a copywriter in India, and copywriting career outlook. 

In a career as a vlogger, one generally works for himself or herself. However, once an individual has gained viewership there are several brands and companies that approach them for paid collaboration. It is one of those fields where an individual can earn well while following his or her passion. 

Ever since internet costs got reduced the viewership for these types of content has increased on a large scale. Therefore, a career as a vlogger has a lot to offer. If you want to know more about the Vlogger eligibility, roles and responsibilities then continue reading the article. 

For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.

Careers in journalism are filled with excitement as well as responsibilities. One cannot afford to miss out on the details. As it is the small details that provide insights into a story. Depending on those insights a journalist goes about writing a news article. A journalism career can be stressful at times but if you are someone who is passionate about it then it is the right choice for you. If you want to know more about the media field and journalist career then continue reading this article.

Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.

Individuals who opt for a career as a reporter may often be at work on national holidays and festivities. He or she pitches various story ideas and covers news stories in risky situations. Students can pursue a BMC (Bachelor of Mass Communication) , B.M.M. (Bachelor of Mass Media) , or  MAJMC (MA in Journalism and Mass Communication) to become a reporter. While we sit at home reporters travel to locations to collect information that carries a news value.  

Corporate Executive

Are you searching for a Corporate Executive job description? A Corporate Executive role comes with administrative duties. He or she provides support to the leadership of the organisation. A Corporate Executive fulfils the business purpose and ensures its financial stability. In this article, we are going to discuss how to become corporate executive.

Multimedia Specialist

A multimedia specialist is a media professional who creates, audio, videos, graphic image files, computer animations for multimedia applications. He or she is responsible for planning, producing, and maintaining websites and applications. 

Quality Controller

A quality controller plays a crucial role in an organisation. He or she is responsible for performing quality checks on manufactured products. He or she identifies the defects in a product and rejects the product. 

A quality controller records detailed information about products with defects and sends it to the supervisor or plant manager to take necessary actions to improve the production process.

Production Manager

A QA Lead is in charge of the QA Team. The role of QA Lead comes with the responsibility of assessing services and products in order to determine that he or she meets the quality standards. He or she develops, implements and manages test plans. 

Process Development Engineer

The Process Development Engineers design, implement, manufacture, mine, and other production systems using technical knowledge and expertise in the industry. They use computer modeling software to test technologies and machinery. An individual who is opting career as Process Development Engineer is responsible for developing cost-effective and efficient processes. They also monitor the production process and ensure it functions smoothly and efficiently.

AWS Solution Architect

An AWS Solution Architect is someone who specializes in developing and implementing cloud computing systems. He or she has a good understanding of the various aspects of cloud computing and can confidently deploy and manage their systems. He or she troubleshoots the issues and evaluates the risk from the third party. 

Azure Administrator

An Azure Administrator is a professional responsible for implementing, monitoring, and maintaining Azure Solutions. He or she manages cloud infrastructure service instances and various cloud servers as well as sets up public and private cloud systems. 

Computer Programmer

Careers in computer programming primarily refer to the systematic act of writing code and moreover include wider computer science areas. The word 'programmer' or 'coder' has entered into practice with the growing number of newly self-taught tech enthusiasts. Computer programming careers involve the use of designs created by software developers and engineers and transforming them into commands that can be implemented by computers. These commands result in regular usage of social media sites, word-processing applications and browsers.

Information Security Manager

Individuals in the information security manager career path involves in overseeing and controlling all aspects of computer security. The IT security manager job description includes planning and carrying out security measures to protect the business data and information from corruption, theft, unauthorised access, and deliberate attack 

ITSM Manager

Automation test engineer.

An Automation Test Engineer job involves executing automated test scripts. He or she identifies the project’s problems and troubleshoots them. The role involves documenting the defect using management tools. He or she works with the application team in order to resolve any issues arising during the testing process. 

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• School Education /

Essay on Biodiversity in 500 Words for Students

• Updated on  
• Dec 7, 2023

Essay on Biodiversity: Biodiversity refers to the variety of animals and plants in the world or a specific area. Even in today’s modern world where so many technological advances have taken place, we still rely on our natural environment and resources to survive, A healthy and vibrant ecosystem is not disturbed by human activities. We humans are the largest consumers of natural resources, and you know what? We are also a real threat to the natural environment? Biodiversity is not just about a variety of animal and plant species, but, also offers us water, climate, disease control, nutrition cycle, oxygen release, etc. According to one report released by the United Nations, around 10 lakh plant and animal species are on the verge of extinction. The worst thing is that this number is almost at a doubling rate.

Also Read: Essay on 5g Technology

Check out all the latest updates on all board exams 2024

Why is Biodiversity Important?

Biodiversity supports all life forms on earth. To understand the importance of biodiversity, we don’t need to think or act like a biologist. All we need is a holistic understanding. 

• Biodiversity promotes resilience and stability in our ecosystem. If there is any natural disturbance in the environment, a diverse ecosystem will be able to survive and recover better.
• Fields like agriculture, forestry, and medicine completely rely on biodiversity. We get genetic resources from biodiversity, which is essential for agriculture and medicine fields.
• A healthy biodiversity environment means healthy humans. The medicinal drugs we use are derived from plants, animals, and microorganisms.
• In many parts of the world, biodiversity is an integral part of cultural identity. Indigenous tribes are connected with their natural environment and species. 
• Forest areas and oceans play an important role in regulating global temperature and storing carbon dioxide.
• Our environment is constantly changing and the species around it also need to adapt to for to survive. Therefore, genetic diversity within species is also important.
• Natural activities like soil formation, nutrient cycling, water purification, etc, are all dependent on biodiversity.

Also Read: NCERT Solutions Class 9 Natural Vegetation and Wildlife

What is Biodiversity Loss?

Biodiversity loss means the global extinction of various species, resulting in the loss of biological diversity. One of the main factors responsible for biodiversity loss is the conversion of natural habitats into agricultural and urban areas. Cutting down forests and using the land for commercial activities results in destroying the livelihood of all the species in the region. Other factors responsible for biodiversity loss are listed below.

• Overexploitation
• Climate change
• Global trade and transportation
• Emerging diseases
• Pollution 

Also Read: Essay on Save Environment

What is Biodiversity Conservation?

Biodiversity conservation refers to the preservation of species, natural resources, and habitats from the rate of extinction. To achieve the goals of biodiversity conservation, effective management, and sustainable practices are required.

• Biodiversity conservation includes protected areas like biodiversity hotspots, national parks, and wildlife sanctuaries.
• One of the most effective ways to conserve biodiversity is rehabilitation and restoring degraded habitats is crucial.
• Promoting sustainable practices in agriculture, forestry, and other resource-dependent activities is essential for the conservation of biodiversity.
• Encouraging the participation of local and indigenous communities can be one solution to achieving the goals of biodiversity conservation. Indigenous and local knowledge can contribute to effective conservation strategies.

Also Read: Essay on Junk Food

Quotes on Biodiversity

Here are some popular quotes on biodiversity. Feel free to add them to your writing topics related to the natural environment.

• ‘Look closely at nature. Every species is a masterclass, exclusively adapted to the particular environment in which it has survived. Who are we to destroy or even diminish biodiversity?’ – E O Wilson
• ‘Biodiversity is our most valuable but least appreciated resource.’ – E O Wilson
• ‘Biodiversity is the greeted treasure we have. It’s diminishment is to be prevented at all cost.’ – Thomas Eisner
• ‘Animal protection is education to humanity.’ – Albert Schweitzer
• ‘Only beautiful animals or ugly people wear fur.’ – Unknown
• ‘Babies and animals are the mirrors of the nature.’ – Epicurus

Also Read: Essay on Globalization

Ans: Biodiversity refers to the variety of plants and animals in our natural environment or a particular region. Biodiversity supports all life forms on earth. To understand the importance of biodiversity, we don’t need to think or act like a biologist. All we need is a holistic understanding. Biodiversity promotes resilience and stability in our ecosystem. If there is any natural disturbance in the environment, a diverse ecosystem will be able to survive and recover better. Fields like agriculture, forestry, and medicine completely rely on biodiversity. We get genetic resources from biodiversity, which is essential for agriculture and medicine fields.

Ans: Biodiversity conservation refers to the preservation of species, natural resources, and habitats from the rate of extinction. To achieve the goals of biodiversity conservation, effective management, and sustainable practices are required.

Ans: Some of the popular biodiversity hotspots in India are the Himalayas, Indo-Burma, Western Ghats & Sundaland.

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Shiva Tyagi

With an experience of over a year, I've developed a passion for writing blogs on wide range of topics. I am mostly inspired from topics related to social and environmental fields, where you come up with a positive outcome.

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Essay on Biodiversity for Students and Children

500+ words essay on biodiversity.

Essay on Biodiversity – Biodiversity is the presence of different species of plants and animals on the earth. Moreover, it is also called biological diversity as it is related to the variety of species of flora and fauna. Biodiversity plays a major role in maintaining the balance of the earth.

Furthermore, everything depends upon the biological diversity of different plants and animals. But due to some reasons, biodiversity is decreasing day by day. If it does not stop then our earth could no longer be a place to live in. Therefore different measures help in increasing the biodiversity of the earth.

Methods to Increase Biodiversity

Building wildlife corridors- This means to build connections between wildlife spaces. In other words, many animals are incapable to cross huge barriers. Therefore they are no able to migrate the barrier and breed. So different engineering techniques can make wildlife corridors. Also, help animals to move from one place to the other.

Set up gardens- Setting up gardens in the houses is the easiest way to increase biodiversity. You can grow different types of plants and animals in the yard or even in the balcony. Further, this would help in increasing the amount of fresh air in the house.

Get the huge list of more than 500 Essay Topics and Ideas

Protected areas- protected areas like wildlife sanctuaries and zoo conserve biodiversity. For instance, they maintain the natural habitat of plants and animals. Furthermore, these places are away from any human civilization. Therefore the ecosystem is well maintained which makes it a perfect breeding ground for flora and fauna. In our country, their various wildlife sanctuaries are build that is today spread over a vast area. Moreover, these areas are the only reason some of the animal species are not getting extinct. Therefore the protected areas should increase all over the globe.

Re-wilding – Re-wilding is necessary to avert the damage that has been taking place over centuries. Furthermore, the meaning of re-wilding is introducing the endangered species in the areas where it is extinct. Over the past years, by various human activities like hunting and cutting down of trees the biodiversity is in danger. So we must take the necessary steps to conserve our wildlife and different species of plants.

Importance of Biodiversity

Biodiversity is extremely important to maintain the ecological system. Most Noteworthy many species of plants and animals are dependent on each other.

Therefore if one of them gets extinct, the others will start getting endangered too. Moreover, it is important for humans too because our survival depends on plants and animals. For instance, the human needs food to survive which we get from plants. If the earth does not give us a favorable environment then we cannot grow any crops. As a result, it will no longer be possible for us to sustain on this planet.

Biodiversity in flora and fauna is the need of the hour. Therefore we should take various countermeasures to stop the reduction of endangering of species. Furthermore, pollution from vehicles should decrease. So that animals can get fresh air to breathe. Moreover, it will also decrease global warming which is the major cause of the extinction of the species.

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November 1, 2023

20 min read

Can We Save Every Species from Extinction?

The Endangered Species Act requires that every U.S. plant and animal be saved from extinction, but after 50 years, we have to do much more to prevent a biodiversity crisis

By Robert Kunzig

Snail Darter Percina tanasi. Listed as Endangered: 1975. Status: Delisted in 2022.

© Joel Sartore/National Geographic Photo Ark

A Bald Eagle disappeared into the trees on the far bank of the Tennessee River just as the two researchers at the bow of our modest motorboat began hauling in the trawl net. Eagles have rebounded so well that it's unusual not to see one here these days, Warren Stiles of the U.S. Fish and Wildlife Service told me as the net got closer. On an almost cloudless spring morning in the 50th year of the Endangered Species Act, only a third of a mile downstream from the Tennessee Valley Authority's big Nickajack Dam, we were searching for one of the ESA's more notorious beneficiaries: the Snail Darter. A few months earlier Stiles and the FWS had decided that, like the Bald Eagle, the little fish no longer belonged on the ESA's endangered species list. We were hoping to catch the first nonendangered specimen.

Dave Matthews, a TVA biologist, helped Stiles empty the trawl. Bits of wood and rock spilled onto the deck, along with a Common Logperch maybe six inches long. So did an even smaller fish; a hair over two inches, it had alternating vertical bands of dark and light brown, each flecked with the other color, a pattern that would have made it hard to see against the gravelly river bottom. It was a Snail Darter in its second year, Matthews said, not yet full-grown.

Everybody loves a Bald Eagle. There is much less consensus about the Snail Darter. Yet it epitomizes the main controversy still swirling around the ESA, signed into law on December 28, 1973, by President Richard Nixon: Can we save all the obscure species of this world, and should we even try, if they get in the way of human imperatives? The TVA didn't think so in the 1970s, when the plight of the Snail Darter—an early entry on the endangered species list—temporarily stopped the agency from completing a huge dam. When the U.S. attorney general argued the TVA's case before the Supreme Court with the aim of sidestepping the law, he waved a jar that held a dead, preserved Snail Darter in front of the nine judges in black robes, seeking to convey its insignificance.

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Now I was looking at a living specimen. It darted around the bottom of a white bucket, bonking its nose against the side and delicately fluttering the translucent fins that swept back toward its tail.

“It's kind of cute,” I said.

Matthews laughed and slapped me on the shoulder. “I like this guy!” he said. “Most people are like, ‘Really? That's it?’ ” He took a picture of the fish and clipped a sliver off its tail fin for DNA analysis but left it otherwise unharmed. Then he had me pour it back into the river. The next trawl, a few miles downstream, brought up seven more specimens.

In the late 1970s the Snail Darter seemed confined to a single stretch of a single tributary of the Tennessee River, the Little Tennessee, and to be doomed by the TVA's ill-considered Tellico Dam, which was being built on the tributary. The first step on its twisting path to recovery came in 1978, when the U.S. Supreme Court ruled, surprisingly, that the ESA gave the darter priority even over an almost finished dam. “It was when the government stood up and said, ‘Every species matters, and we meant it when we said we're going to protect every species under the Endangered Species Act,’” says Tierra Curry, a senior scientist at the Center for Biological Diversity.

Bald Eagle Haliaeetus leucocephalus. Listed as Endangered: 1967. Status: Delisted in 2007. Credit: © Joel Sartore/National Geographic Photo Ark

Today the Snail Darter can be found along 400 miles of the river's main stem and multiple tributaries. ESA enforcement has saved dozens of other species from extinction. Bald Eagles, American Alligators and Peregrine Falcons are just a few of the roughly 60 species that had recovered enough to be “delisted” by late 2023.

And yet the U.S., like the planet as a whole, faces a growing biodiversity crisis. Less than 6 percent of the animals and plants ever placed on the list have been delisted; many of the rest have made scant progress toward recovery. What's more, the list is far from complete: roughly a third of all vertebrates and vascular plants in the U.S. are vulnerable to extinction, says Bruce Stein, chief scientist at the National Wildlife Federation. Populations are falling even for species that aren't yet in danger. “There are a third fewer birds flying around now than in the 1970s,” Stein says. We're much less likely to see a White-throated Sparrow or a Red-winged Blackbird, for example, even though neither species is yet endangered.

The U.S. is far emptier of wildlife sights and sounds than it was 50 years ago, primarily because habitat—forests, grasslands, rivers—has been relentlessly appropriated for human purposes. The ESA was never designed to stop that trend, any more than it is equipped to deal with the next massive threat to wildlife: climate change. Nevertheless, its many proponents say, it is a powerful, foresightful law that we could implement more wisely and effectively, perhaps especially to foster stewardship among private landowners. And modest new measures, such as the Recovering America's Wildlife Act—a bill with bipartisan support—could further protect flora and fauna.

That is, if special interests don't flout the law. After the 1978 Supreme Court decision, Congress passed a special exemption to the ESA allowing the TVA to complete the Tellico Dam. The Snail Darter managed to survive because the TVA transplanted some of the fish from the Little Tennessee, because remnant populations turned up elsewhere in the Tennessee Valley, and because local rivers and streams slowly became less polluted following the 1972 Clean Water Act, which helped fish rebound.

Under pressure from people enforcing the ESA, the TVA also changed the way it managed its dams throughout the valley. It started aerating the depths of its reservoirs, in some places by injecting oxygen. It began releasing water from the dams more regularly to maintain a minimum flow that sweeps silt off the river bottom, exposing the clean gravel that Snail Darters need to lay their eggs and feed on snails. The river system “is acting more like a real river,” Matthews says. Basically, the TVA started considering the needs of wildlife, which is really what the ESA requires. “The Endangered Species Act works,” Matthews says. “With just a little bit of help, [wildlife] can recover.”

The trouble is that many animals and plants aren't getting that help—because government resources are too limited, because private landowners are alienated by the ESA instead of engaged with it, and because as a nation the U.S. has never fully committed to the ESA's essence. Instead, for half a century, the law has been one more thing that polarizes people's thinking.

I t may seem impossible today to imagine the political consensus that prevailed on environmental matters in 1973. The U.S. Senate approved the ESA unanimously, and the House passed it by a vote of 390 to 12. “Some people have referred to it as almost a statement of religion coming out of the Congress,” says Gary Frazer, who as assistant director for ecological services at the FWS has been overseeing the act's implementation for nearly 25 years.

Gopher Tortoise Gopherus polyphemus . Listed as Threatened: 1987. Status: Still threatened. Credit: ©Joel Sartore/National Geographic Photo Ark

But loss of faith began five years later with the Snail Darter case. Congresspeople who had been thinking of eagles, bears and Whooping Cranes when they passed the ESA, and had not fully appreciated the reach of the sweeping language they had approved, were disabused by the Supreme Court. It found that the legislation had created, “wisely or not ... an absolute duty to preserve all endangered species,” Chief Justice Warren E. Burger said after the Snail Darter case concluded. Even a recently discovered tiny fish had to be saved, “whatever the cost,” he wrote in the decision.

Was that wise? For both environmentalists such as Curry and many nonenvironmentalists, the answer has always been absolutely. The ESA “is the basic Bill of Rights for species other than ourselves,” says National Geographic photographer Joel Sartore, who is building a “photo ark” of every animal visible to the naked eye as a record against extinction. (He has taken studio portraits of 15,000 species so far.) But to critics, the Snail Darter decision always defied common sense. They thought it was “crazy,” says Michael Bean, a leading ESA expert, now retired from the Environmental Defense Fund. “That dichotomy of view has remained with us for the past 45 years.”

According to veteran Washington, D.C., environmental attorney Lowell E. Baier, author of a new history called The Codex of the Endangered Species Act, both the act itself and its early implementation reflected a top-down, federal “command-and-control mentality” that still breeds resentment. FWS field agents in the early days often saw themselves as combat biologists enforcing the act's prohibitions. After the Northern Spotted Owl's listing got tangled up in a bitter 1990s conflict over logging of old-growth forests in the Pacific Northwest, the FWS became more flexible in working out arrangements. “But the dark mythology of the first 20 years continues in the minds of much of America,” Baier says.

Credit: June Minju Kim ( map ); Source: David Matthews, Tennessee Valley Authority ( reference )

The law can impose real burdens on landowners. Before doing anything that might “harass” or “harm” an endangered species, including modifying its habitat, they need to get a permit from the FWS and present a “habitat conservation plan.” Prosecutions aren't common, because evidence can be elusive, but what Bean calls “the cloud of uncertainty” surrounding what landowners can and cannot do can be distressing.

Requirements the ESA places on federal agencies such as the Forest Service and the Bureau of Land Management—or on the TVA—can have large economic impacts. Section 7 of the act prohibits agencies from taking, permitting or funding any action that is likely to “jeopardize the continued existence” of a listed species. If jeopardy seems possible, the agency must consult with the FWS first (or the National Marine Fisheries Service for marine species) and seek alternative plans.

“When people talk about how the ESA stops projects, they've been talking about section 7,” says conservation biologist Jacob Malcom. The Northern Spotted Owl is a strong example: an economic analysis suggests the logging restrictions eliminated thousands of timber-industry jobs, fueling conservative arguments that the ESA harms humans and economic growth.

In recent decades, however, that view has been based “on anecdote, not evidence,” Malcom claims. At Defenders of Wildlife, where he worked until 2022 (he's now at the U.S. Department of the Interior), he and his colleagues analyzed 88,290 consultations between the FWS and other agencies from 2008 to 2015. “Zero projects were stopped,” Malcom says. His group also found that federal agencies were only rarely taking the active measures to recover a species that section 7 requires—like what the TVA did for the Snail Darter. For many listed species, the FWS does not even have recovery plans.

Endangered species also might not recover because “most species are not receiving protection until they have reached dangerously low population sizes,” according to a 2022 study by Erich K. Eberhard of Columbia University and his colleagues. Most listings occur only after the FWS has been petitioned or sued by an environmental group—often the Center for Biological Diversity, which claims credit for 742 listings. Years may go by between petition and listing, during which time the species' population dwindles. Noah Greenwald, the center's endangered species director, thinks the FWS avoids listings to avoid controversy—that it has internalized opposition to the ESA.

He and other experts also say that work regarding endangered species is drastically underfunded. As more species are listed, the funding per species declines. “Congress hasn't come to grips with the biodiversity crisis,” says Baier, who lobbies lawmakers regularly. “When you talk to them about biodiversity, their eyes glaze over.” Just this year federal lawmakers enacted a special provision exempting the Mountain Valley Pipeline from the ESA and other challenges, much as Congress had exempted the Tellico Dam. Environmentalists say the gas pipeline, running from West Virginia to Virginia, threatens the Candy Darter, a colorful small fish. The Inflation Reduction Act of 2022 provided a rare bit of good news: it granted the FWS $62.5 million to hire more biologists to prepare recovery plans.

The ESA is often likened to an emergency room for species: overcrowded and understaffed, it has somehow managed to keep patients alive, but it doesn't do much more. The law contains no mandate to restore ecosystems to health even though it recognizes such work as essential for thriving wildlife. “Its goal is to make things better, but its tools are designed to keep things from getting worse,” Bean says. Its ability to do even that will be severely tested in coming decades by threats it was never designed to confront.

T he ESA requires a species to be listed as “threatened” if it might be in danger of extinction in the “foreseeable future.” The foreseeable future will be warmer. Rising average temperatures are a problem, but higher heat extremes are a bigger threat, according to a 2020 study.

Scientists have named climate change as the main cause of only a few extinctions worldwide. But experts expect that number to surge. Climate change has been “a factor in almost every species we've listed in at least the past 15 years,” Frazer says. Yet scientists struggle to forecast whether individual species can “persist in place or shift in space”—as Stein and his co-authors put it in a recent paper—or will be unable to adapt at all and will go extinct. On June 30 the FWS issued a new rule that will make it easier to move species outside their historical range—a practice it once forbade except in extreme circumstances.

Credit: June Minju Kim ( graphic ); Brown Bird Design ( illustrations ); Sources: U.S. Fish & Wildlife Service Environmental Conservation Online System; U.S. Federal Endangered and Threatened Species by Calendar Year https://ecos.fws.gov/ecp/report/species-listings-by-year-totals ( annual data through 2022 ); Listed Species Summary (Boxscore) https://ecos.fws.gov/ecp/report/boxscore ( cumulative data up to September 18, 2023, and annual data for coral ); Delisted Species https://ecos.fws.gov/ecp/report/species-delisted ( delisted data through 2022 )

Eventually, though, “climate change is going to swamp the ESA,” says J. B. Ruhl, a law professor at Vanderbilt University, who has been writing about the problem for decades. “As more and more species are threatened, I don't know what the agency does with that.” To offer a practical answer, in a 2008 paper he urged the FWS to aggressively identify the species most at risk and not waste resources on ones that seem sure to expire.

Yet when I asked Frazer which urgent issues were commanding his attention right now, his first thought wasn't climate; it was renewable energy. “Renewable energy is going to leave a big footprint on the planet and on our country,” he says, some of it threatening plants and animals if not implemented well. “The Inflation Reduction Act is going to lead to an explosion of more wind and solar across the landscape.

Long before President Joe Biden signed that landmark law, conflicts were proliferating: Desert Tortoise versus solar farms in the Mojave Desert, Golden Eagles versus wind farms in Wyoming, Tiehm's Buckwheat (a little desert flower) versus lithium mining in Nevada. The mine case is a close parallel to that of Snail Darters versus the Tellico Dam. The flower, listed as endangered just last year, grows on only a few acres of mountainside in western Nevada, right where a mining company wants to extract lithium. The Center for Biological Diversity has led the fight to save it. Elsewhere in Nevada people have used the ESA to stop, for the moment, a proposed geothermal plant that might threaten the two-inch Dixie Valley Toad, discovered in 2017 and also declared endangered last year.

Does an absolute duty to preserve all endangered species make sense in such places? In a recent essay entitled “A Time for Triage,” Columbia law professor Michael Gerrard argues that “the environmental community has trade-off denial. We don't recognize that it's too late to preserve everything we consider precious.” In his view, given the urgency of building the infrastructure to fight climate change, we need to be willing to let a species go after we've done our best to save it. Environmental lawyers adept at challenging fossil-fuel projects, using the ESA and other statutes, should consider holding their fire against renewable installations. “Just because you have bullets doesn't mean you shoot them in every direction,” Gerrard says. “You pick your targets.” In the long run, he and others argue, climate change poses a bigger threat to wildlife than wind turbines and solar farms do.

For now habitat loss remains the overwhelming threat. What's truly needed to preserve the U.S.'s wondrous biodiversity, both Stein and Ruhl say, is a national network of conserved ecosystems. That won't be built with our present politics. But two more practical initiatives might help.

The first is the Recovering America's Wildlife Act, which narrowly missed passage in 2022 and has been reintroduced this year. It builds on the success of the 1937 Pittman-Robertson Act, which funds state wildlife agencies through a federal excise tax on guns and ammunition. That law was adopted to address a decline in game species that had hunters alarmed. The state refuges and other programs it funded are why deer, ducks and Wild Turkeys are no longer scarce.

The recovery act would provide $1.3 billion a year to states and nearly $100 million to Native American tribes to conserve nongame species. It has bipartisan support, in part, Stein says, because it would help arrest the decline of a species before the ESA's “regulatory hammer” falls. Although it would be a large boost to state wildlife budgets, the funding would be a rounding error in federal spending. But last year Congress couldn't agree on how to pay for the measure. Passage “would be a really big deal for nature,” Curry says.

Oyster Mussel. Epioblasma capsaeformis.  Listed as Endangered: 1997. Status: Still endangered. Credit: © Joel Sartore/National Geographic Photo Ark

The second initiative that could promote species conservation is already underway: bringing landowners into the fold. Most wildlife habitat east of the Rocky Mountains is on private land. That's also where habitat loss is happening fastest. Some experts say conservation isn't likely to succeed unless the FWS works more collaboratively with landowners, adding carrots to the ESA's regulatory stick. Bean has long promoted the idea, including when he worked at the Interior Department from 2009 to early 2017. The approach started, he says, with the Red-cockaded Woodpecker.

When the ESA was passed, there were fewer than 10,000 Red-cockaded Woodpeckers left of the millions that had once lived in the Southeast. Humans had cut down the old pine trees, chiefly Longleaf Pine, that the birds excavate cavities in for roosting and nesting. An appropriate tree has to be large, at least 60 to 80 years old, and there aren't many like that left. The longleaf forest, which once carpeted up to 90 million acres from Virginia to Texas, has been reduced to less than three million acres of fragments.

In the 1980s the ESA wasn't helping because it provided little incentive to preserve forest on private land. In fact, Bean says, it did the opposite: landowners would sometimes clear-cut potential woodpecker habitat just to avoid the law's constraints. The woodpecker population continued to drop until the 1990s. That's when Bean and his Environmental Defense Fund colleagues persuaded the FWS to adopt “safe-harbor agreements” as a simple solution. An agreement promised landowners that if they let pines grow older or took other woodpecker-friendly measures, they wouldn't be punished; they remained free to decide later to cut the forest back to the baseline condition it had been in when the agreement was signed.

That modest carrot was inducement enough to quiet the chainsaws in some places. “The downward trends have been reversed,” Bean says. “In places like South Carolina, where they have literally hundreds of thousands of acres of privately owned forest enrolled, Red-cockaded Woodpecker numbers have shot up dramatically.”

The woodpecker is still endangered. It still needs help. Because there aren't enough old pines, land managers are inserting lined, artificial cavities into younger trees and sometimes moving birds into them to expand the population. They are also using prescribed fires or power tools to keep the longleaf understory open and grassy, the way fires set by lightning or Indigenous people once kept it and the way the woodpeckers like it. Most of this work is taking place, and most Red-cockaded Woodpeckers are still living, on state or federal land such as military bases. But a lot more longleaf must be restored to get the birds delisted, which means collaborating with private landowners, who own 80 percent of the habitat.

Leo Miranda-Castro, who retired last December as director of the FWS's southeast region, says the collaborative approach took hold at regional headquarters in Atlanta in 2010. The Center for Biological Diversity had dropped a “mega petition” demanding that the FWS consider 404 new species for listing. The volume would have been “overwhelming,” Miranda-Castro says. “That's when we decided, ‘Hey, we cannot do this in the traditional way.’ The fear of listing so many species was a catalyst” to look for cases where conservation work might make a listing unnecessary.

An agreement affecting the Gopher Tortoise shows what is possible. Like the woodpeckers, it is adapted to open-canopied longleaf forests, where it basks in the sun, feeds on herbaceous plants and digs deep burrows in the sandy soil. The tortoise is a keystone species: more than 300 other animals, including snakes, foxes and skunks, shelter in its burrows. But its numbers have been declining for decades.

Urbanization is the main threat to the tortoises, but timberland can be managed in a way that leaves room for them. Eager to keep the species off the list, timber companies, which own 20 million acres in its range, agreed to figure out how to do that—above all by returning fire to the landscape and keeping the canopy open. One timber company, Resource Management Service, said it would restore Longleaf Pine on about 3,700 acres in the Florida panhandle, perhaps expanding to 200,000 acres eventually. It even offered to bring other endangered species onto its land, which delighted Miranda-Castro: “I had never heard about that happening before.” Last fall the FWS announced that the tortoise didn't need to be listed in most of its range.

Miranda-Castro now directs Conservation Without Conflict, an organization that seeks to foster conversation and negotiation in settings where the ESA has more often generated litigation. “For the first 50 years the stick has been used the most,” Miranda-Castro says. “For the next 50 years we're going to be using the carrots way more.” On his own farm outside Fort Moore, Ga., he grows Longleaf Pine—and Gopher Tortoises are benefiting.

Whooping Crane. Grus americana.  Listed as Endangered: 1967. Status: Still endangered. Credit: © Joel Sartore/National Geographic Photo Ark

The Center for Biological Diversity doubts that carrots alone will save the reptile. It points out that the FWS's own models show small subpopulations vanishing over the next few decades and the total population falling by nearly a third. In August 2023 it filed suit against the FWS, demanding the Gopher Tortoise be listed.

The FWS itself resorted to the stick this year when it listed the Lesser Prairie-Chicken, a bird whose grassland home in the Southern Plains has long been encroached on by agriculture and the energy industry. The Senate promptly voted to overturn that listing, but President Biden promised to veto that measure if it passes the House.

B ehind the debates over strategy lurks the vexing question: Can we save all species? The answer is no. Extinctions will keep happening. In 2021 the FWS proposed to delist 23 more species—not because they had recovered but because they hadn't been seen in decades and were presumed gone. There is a difference, though, between acknowledging the reality of extinction and deliberately deciding to let a species go. Some people are willing to do the latter; others are not. Bean thinks a person's view has a lot to do with how much they've been exposed to wildlife, especially as a child.

Zygmunt Plater, a professor emeritus at Boston College Law School, was the attorney in the 1978 Snail Darter case, fighting for hundreds of farmers whose land would be submerged by the Tellico Dam. At one point in the proceedings Justice Lewis F. Powell, Jr., asked him, “What purpose is served, if any, by these little darters? Are they used for food?” Plater thinks creatures such as the darter alert us to the threat our actions pose to them and to ourselves. They prompt us to consider alternatives.

The ESA aims to save species, but for that to happen, ecosystems have to be preserved. Protecting the Northern Spotted Owl has saved at least a small fraction of old-growth forest in the Pacific Northwest. Concern about the Red-cockaded Woodpecker and the Gopher Tortoise is aiding the preservation of longleaf forests in the Southeast. The Snail Darter wasn't enough to stop the Tellico Dam, which drowned historic Cherokee sites and 300 farms, mostly for real estate development. But after the controversy, the presence of a couple of endangered mussels did help dissuade the TVA from completing yet another dam, on the Duck River in central Tennessee. That river is now recognized as one of the most biodiverse in North America.

The ESA forced states to take stock of the wildlife they harbored, says Jim Williams, who as a young biologist with the FWS was responsible for listing both the Snail Darter and mussels in the Duck River. Williams grew up in Alabama, where I live. “We didn't know what the hell we had,” he says. “People started looking around and found all sorts of new species.” Many were mussels and little fish. In a 2002 survey, Stein found that Alabama ranked fifth among U.S. states in species diversity. It also ranks second-highest for extinctions; of the 23 extinct species the FWS recently proposed for delisting, eight were mussels, and seven of those were found in Alabama.

One morning this past spring, at a cabin on the banks of Shoal Creek in northern Alabama, I attended a kind of jamboree of local freshwater biologists. At the center of the action, in the shade of a second-floor deck, sat Sartore. He had come to board more species onto his photo ark, and the biologists—most of them from the TVA—were only too glad to help, fanning out to collect critters to be decanted into Sartore's narrow, flood-lit aquarium. He sat hunched before it, a black cloth draped over his head and camera, snapping away like a fashion photographer, occasionally directing whoever was available to prod whatever animal was in the tank into a more artful pose.

As I watched, he photographed a striated darter that didn't yet have a name, a Yellow Bass, an Orangefin Shiner and a giant crayfish discovered in 2011 in the very creek we were at. Sartore's goal is to help people who never meet such creatures feel the weight of extinction—and to have a worthy remembrance of the animals if they do vanish from Earth.

With TVA biologist Todd Amacker, I walked down to the creek and sat on the bank. Amacker is a mussel specialist, following in Williams's footsteps. As his colleagues waded in the shoals with nets, he gave me a quick primer on mussel reproduction. Their peculiar antics made me care even more about their survival.

There are hundreds of freshwater mussel species, Amacker explained, and almost every one tricks a particular species of fish into raising its larvae. The Wavy-rayed Lampmussel, for example, extrudes part of its flesh in the shape of a minnow to lure black bass—and then squirts larvae into the bass's open mouth so they can latch on to its gills and fatten on its blood. Another mussel dangles its larvae at the end of a yard-long fishing line of mucus. The Duck River Darter Snapper—a member of a genus that has already lost most of its species to extinction—lures and then clamps its shell shut on the head of a hapless fish, inoculating it with larvae. “You can't make this up,” Amacker said. Each relationship has evolved over the ages in a particular place.

The small band of biologists who are trying to cultivate the endangered mussels in labs must figure out which fish a particular mussel needs. It's the type of tedious trial-and-error work conservation biologists call “heroic,” the kind that helped to save California Condors and Whooping Cranes. Except these mussels are eyeless, brainless, little brown creatures that few people have ever heard of.

For most mussels, conditions are better now than half a century ago, Amacker said. But some are so rare it's hard to imagine they can be saved. I asked Amacker whether it was worth the effort or whether we just need to accept that we must let some species go. The catch in his voice almost made me regret the question.

“I'm not going to tell you it's not worth the effort,” he said. “It's more that there's no hope for them.” He paused, then collected himself. “Who are we to be the ones responsible for letting a species die?” he went on. “They've been around so long. That's not my answer as a biologist; that's my answer as a human. Who are we to make it happen?”

Robert Kunzig is a freelance writer in Birmingham, Ala., and a former senior editor at National Geographic, Discover and Scientific American .

Conserving Earth

Earth’s natural resources include air, water, soil, minerals, plants, and animals. Conservation is the practice of caring for these resources so all living things can benefit from them now and in the future.

Biology, Ecology, Earth Science, Geography, Geology, Conservation

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Earth ’s natural resources include air , water , soil , minerals , fuels , plants, and animals. Conservation is the practice of caring for these resources so all living things can benefit from them now and in the future. All the things we need to survive , such as food , water, air, and shelter , come from natural resources. Some of these resources, like small plants, can be replaced quickly after they are used. Others, like large trees, take a long time to replace. These are renewable resources . Other resources, such as fossil fuels , cannot be replaced at all. Once they are used up, they are gone f orever . These are nonrenewable resources . People often waste natural resources. Animals are overhunted . Forests are cleared, exposing land to wind and water damage. Fertile soil is exhausted and lost to erosion because of poor farming practices. Fuel supplies are depleted . Water and air are polluted . If resources are carelessly managed, many will be used up. If used wisely and efficiently , however, renewable resources will last much longer. Through conservation, people can reduce waste and manage natural resources wisely. The population of human beings has grown enormously in the past two centuries. Billions of people use up resources quickly as they eat food, build houses, produce goods, and burn fuel for transportation and electricity . The continuation of life as we know it depends on the careful use of natural resources. The need to conserve resources often conflicts with other needs. For some people, a wooded area may be a good place to put a farm. A timber company may want to harvest the area’s trees for construction materials. A business may want to build a factory or shopping mall on the land. All these needs are valid, but sometimes the plants and animals that live in the area are forgotten. The benefits of development need to be weighed against the harm to animals that may be forced to find new habitats , the depletion of resources we may want in the future (such as water or timber), or damage to resources we use today. Development and conservation can coexist in harmony. When we use the environment in ways that ensure we have resources for the future, it is called sustainable development . There are many different resources we need to conserve in order to live sustainably. Forests A forest is a large area covered with trees grouped so their foliage shades the ground. Every continent except Antarctica has forests, from the evergreen -filled boreal forests of the north to mangrove forests in tropical wetlands . Forests are home to more than two-thirds of all known land species . Tropical rainforests are especially rich in biodiversity . Forests provide habitats for animals and plants. They store carbon , helping reduce global warming . They protect soil by reducing runoff . They add nutrients to the soil through leaf litter . They provide people with lumber and firewood. Deforestation is the process of clearing away forests by cutting them down or burning them. People clear forests to use the wood, or to make way for farming or development. Each year, Earth loses about 14.6 million hectares (36 million acres) of forest to deforestation—an area about the size of the U.S. state of New York. Deforestation destroys wildlife habitats and increases soil erosion. It also releases greenhouse gases into the atmosphere , contributing to global warming. Deforestation accounts for 15 percent of the world’s greenhouse gas emissions. Deforestation also harms the people who rely on forests for their survival, hunting and gathering, harvesting forest products, or using the timber for firewood. About half of all the forests on Earth are in the tropics —an area that circles the globe near the Equator . Although tropical forests cover fewer than 6 percent of the world’s land area, they are home to about 80 percent of the world’s documented species. For example, more than 500 different species of trees live in the forests on the small U.S. island of Puerto Rico in the Caribbean Sea. Tropical forests give us many valuable products, including woods like mahogany and teak , rubber , fruits, nuts, and flowers. Many of the medicines we use today come from plants found only in tropical rainforests. These include quinine , a malaria drug; curare , an anesthetic used in surgery; and rosy periwinkle , which is used to treat certain types of cancer . Sustainable forestry practices are critical for ensuring we have these resources well into the future. One of these practices is leaving some trees to die and decay naturally in the forest. This “ deadwood ” builds up soil. Other sustainable forestry methods include using low-impact logging practices, harvesting with natural regeneration in mind, and avoiding certain logging techniques , such as removing all the high-value trees or all the largest trees from a forest. Trees can also be conserved if consumers recycle . People in China and Mexico, for example, reuse much of their wastepaper, including writing paper, wrapping paper, and cardboard. If half the world’s paper were recycled, much of the worldwide demand for new paper would be fulfilled, saving many of Earth’s trees. We can also replace some wood products with alternatives like bamboo , which is actually a type of grass. Soil Soil is vital to food production. We need high-quality soil to grow the crops that we eat and feed to livestock . Soil is also important to plants that grow in the wild. Many other types of conservation efforts, such as plant conservation and animal conservation, depend on soil conservation. Poor farming methods, such as repeatedly planting the same crop in the same place, called monoculture , deplete nutrients in the soil. Soil erosion by water and wind increases when farmers plow up and down hills. One soil conservation method is called contour strip cropping . Several crops, such as corn, wheat, and clover , are planted in alternating strips across a slope or across the path of the prevailing wind . Different crops, with different root systems and leaves, help slow erosion.

Harvesting all the trees from a large area, a practice called clearcutting , increases the chances of losing productive topsoil to wind and water erosion. Selective harvesting —the practice of removing individual trees or small groups of trees—leaves other trees standing to anchor the soil. Biodiversity Biodiversity is the variety of living things that populate Earth. The products and benefits we get from nature rely on biodiversity. We need a rich mixture of living things to provide foods, building materials, and medicines, as well as to maintain a clean and healthy landscape . When a species becomes extinct , it is lost to the world forever. Scientists estimate that the current rate of extinction is 1,000 times the natural rate. Through hunting, pollution , habitat destruction, and contribution to global warming, people are speeding up the loss of biodiversity at an alarming rate. It’s hard to know how many species are going extinct because the total number of species is unknown. Scientists discover thousands of new species every year. For example, after looking at just 19 trees in Panama, scientists found 1,200 different species of beetles—80 percent of them unknown to science at the time. Based on various estimates of the number of species on Earth, we could be losing anywhere from 200 to 100,000 species each year. We need to protect biodiversity to ensure we have plentiful and varied food sources. This is true even if we don’t eat a species threatened with extinction because something we do eat may depend on that species for survival. Some predators are useful for keeping the populations of other animals at manageable levels. The extinction of a major predator might mean there are more herbivores looking for food in people’s gardens and farms. Biodiversity is important for more than just food. For instance, we use between 50,000 to 70,000 plant species for medicines worldwide. The Great Barrier Reef , a coral reef off the coast of northeastern Australia, contributes about $6 billion to the nation’s economy through commercial fishing , tourism , and other recreational activities. If the coral reef dies, many of the fish, shellfish , marine mammals , and plants will die, too. Some governments have established parks and preserves to protect wildlife and their habitats. They are also working to abolish hunting and fishing practices that may cause the extinction of some species. Fossil Fuels Fossil fuels are fuels produced from the remains of ancient plants and animals. They include coal , petroleum (oil), and natural gas . People rely on fossil fuels to power vehicles like cars and airplanes, to produce electricity, and to cook and provide heat. In addition, many of the products we use today are made from petroleum. These include plastics , synthetic rubber, fabrics like nylon , medicines, cosmetics , waxes, cleaning products, medical devices, and even bubblegum.

Fossil fuels formed over millions of years. Once we use them up, we cannot replace them. Fossil fuels are a nonrenewable resource. We need to conserve fossil fuels so we don’t run out. However, there are other good reasons to limit our fossil fuel use. These fuels pollute the air when they are burned. Burning fossil fuels also releases carbon dioxide into the atmosphere, contributing to global warming. Global warming is changing ecosystems . The oceans are becoming warmer and more acidic , which threatens sea life. Sea levels are rising, posing risks to coastal communities. Many areas are experiencing more droughts , while others suffer from flooding . Scientists are exploring alternatives to fossil fuels. They are trying to produce renewable biofuels to power cars and trucks. They are looking to produce electricity using the sun, wind, water, and geothermal energy — Earth’s natural heat. Everyone can help conserve fossil fuels by using them carefully. Turn off lights and other electronics when you are not using them. Purchase energy-efficient appliances and weatherproof your home. Walk, ride a bike, carpool , and use public transportation whenever possible. Minerals Earth’s supply of raw mineral resources is in danger. Many mineral deposits that have been located and mapped have been depleted. As the ores for minerals like aluminum and iron become harder to find and extract , their prices skyrocket . This makes tools and machinery more expensive to purchase and operate. Many mining methods, such as mountaintop removal mining (MTR) , devastate the environment. They destroy soil, plants, and animal habitats. Many mining methods also pollute water and air, as toxic chemicals leak into the surrounding ecosystem. Conservation efforts in areas like Chile and the Appalachian Mountains in the eastern United States often promote more sustainable mining methods. Less wasteful mining methods and the recycling of materials will help conserve mineral resources. In Japan, for example, car manufacturers recycle many raw materials used in making automobiles. In the United States, nearly one-third of the iron produced comes from recycled automobiles. Electronic devices present a big problem for conservation because technology changes so quickly. For example, consumers typically replace their cell phones every 18 months. Computers, televisions, and mp3 players are other products contributing to “ e-waste .” The U.S. Environmental Protection Agency (EPA) estimates that Americans generated more than three million tons of e-waste in 2007. Electronic products contain minerals as well as petroleum-based plastics. Many of them also contain hazardous materials that can leach out of landfills into the soil and water supply. Many governments are passing laws requiring manufacturers to recycle used electronics. Recycling not only keeps materials out of landfills, but it also reduces the energy used to produce new products. For instance, recycling aluminum saves 90 percent of the energy that would be required to mine new aluminum.

Water Water is a renewable resource. We will not run out of water the way we might run out of fossil fuels. The amount of water on Earth always remains the same. However, most of the planet’s water is unavailable for human use. While more than 70 percent of Earth’s surface is covered by water, only 2.5 percent of it is freshwater . Out of that freshwater, almost 70 percent is permanently frozen in the ice caps covering Antarctica and Greenland. Only about 1 percent of the freshwater on Earth is available for people to use for drinking, bathing, and irrigating crops. People in many regions of the world suffer water shortages . These are caused by depletion of underground water sources known as aquifers , a lack of rainfall due to drought, or pollution of water supplies. The World Health Organization (WHO) estimates that 2.6 billion people lack adequate water sanitation . More than five million people die each year from diseases caused by using polluted water for drinking, cooking, or washing. About one-third of Earth’s population lives in areas that are experiencing water stress . Most of these areas are in developing countries. Polluted water hurts the environment as well as people. For instance, agricultural runoff—the water that runs off of farmland—can contain fertilizers and pesticides . When this water gets into streams , rivers , and oceans, it can harm the organisms that live in or drink from those water sources. People can conserve and protect water supplies in many ways. Individuals can limit water use by fixing leaky faucets, taking shorter showers, planting drought-resistant plants, and buying low-water-use appliances. Governments, businesses, and nonprofit organizations can help developing countries build sanitation facilities. Farmers can change some of their practices to reduce polluted runoff. This includes limiting overgrazing , avoiding over-irrigation, and using alternatives to chemical pesticides whenever possible. Conservation Groups Businesses, international organizations , and some governments are involved in conservation efforts. The United Nations (UN) encourages the creation of national parks around the world. The UN also established World Water Day, an event to raise awareness and promote water conservation. Governments enact laws defining how land should be used and which areas should be set aside as parks and wildlife preserves. Governments also enforce laws designed to protect the environment from pollution, such as requiring factories to install pollution-control devices. Finally, governments often provide incentives for conserving resources, using clean technologies, and recycling used goods. Many international organizations are dedicated to conservation. Members support causes such as saving rain forests, protecting threatened animals, and cleaning up the air. The International Union for the Conservation of Nature (IUCN) is an alliance of governments and private groups founded in 1948. The IUCN works to protect wildlife and habitats. In 1980, the group proposed a world conservation strategy . Many governments have used the IUCN model to develop their own conservation plans. In addition, the IUCN monitors the status of endangered wildlife, threatened national parks and preserves, and other environments around the world. Zoos and botanical gardens also work to protect wildlife. Many zoos raise and breed endangered animals to increase their populations. They conduct research and help educate the public about endangered species . For instance, the San Diego Zoo in the U.S. state of California runs a variety of research programs on topics ranging from disease control in amphibians to heart-healthy diets for gorillas. Scientists at the Royal Botanic Gardens, Kew, in London, England, work to protect plant life around the world. Kew’s Millennium Seed Bank , for example, works with partners in 54 countries to protect biodiversity through seed collection. Kew researchers are also exploring how DNA technology can help restore damaged habitats. Individuals can do many things to help conserve resources. Turning off lights, repairing leaky faucets, and recycling paper, aluminum cans, glass, and plastic are just a few examples. Riding bikes, walking, carpooling, and using public transportation all help conserve fuel and reduce the amount of pollutants released into the environment. Individuals can plant trees to create homes for birds and squirrels. At grocery stores, people can bring their own reusable bags. And people can carry reusable water bottles and coffee mugs rather than using disposable containers. If each of us would conserve in small ways, the result would be a major conservation effort.

Tree Huggers The Chipko Movement, which is dedicated to saving trees, was started by villagers in Uttar Pradesh, India. Chipko means hold fast or embrace. The villagers flung their arms around trees to keep loggers from cutting them down. The villagers won, and Uttar Pradesh banned the felling of trees in the Himalayan foothills. The movement has since expanded to other parts of India.

Thirsty Food People require about 2 to 4 liters of drinking water each day. However, a day's worth of food requires 2,000 to 5,000 liters of water to produce. It takes more water to produce meat than to produce plant-based foods.

Tiger, Tiger Tigers are dangerous animals, but they have more to fear from us than we have to fear from them. Today there are only about 3,200 tigers living in the wild. Three tiger subspecies the Bali, Caspian, and Javan tigers have gone extinct in the past century. Many organizations are working hard to protect the remaining tigers from illegal hunting and habitat loss.

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Protecting the ocean is key to fighting climate change

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Stay up to date:.

• Currently, about 7% of the ocean is protected and CO2 emissions from bottom trawlers are akin to global aviation industry.
• New study reveals that to preserve marine life, increase food supplies and reduce CO2 emissions we must save at least 30% of the ocean.
• We outline four key areas that could help prevent the collapse of this ecosystem and avert a climate disaster.

2021 ought to be the “super year” for nature, where we collectively agree on how to deal with the greatest risk to humanity: we have become totally out of balance with nature. But there is a solution that is scientifically proven and cost-effective, and new research has found a way forward.

We’ve already lost 60% of terrestrial wildlife and 90% of the big ocean fish. Approximately 96% of all mammals on earth are humans and our domesticated livestock. Only 4% is everything else, from bears to elephants to tigers. We now risk the extinction of 1 million species during this century. Losing these species and all the goods and services they give us would mean the collapse of our life support system and everything we care about and need to survive: our food, our health, our economy, our security – everything .

Have you read?

5 critical things we need to do to protect our ocean , the ocean is changing faster than ever. investing in nature can help protect it.

The good news is that we can still avert this catastrophe. In October this year, the world’s countries will meet at the UN Biodiversity Conference in Kunming, China, to agree on how much space we humans are willing to give up to all the rest of the species with whom we share this planet. The ocean must become a more central character in this change. It is a victim of climate change – due to ocean warming and acidification – but it can also be a big part of the solution. However, despite the serious threats to our ocean life support system, presently only 7% of the global ocean is under some kind of protection. How much more do we need to protect?

Some argue that we cannot protect more ocean because soon we will need to feed 10 billion people – they recommend we need to develop a new “blue economy”. But this is a myth. We cannot take more fish out of the ocean by fishing more. And we cannot have a blue economy from a dead ocean. Already over three-quarters of fish stocks are fished beyond sustainable limits, and The World Bank suggests that we can only catch more fish if we cut almost in half the effort the world spends fishing.

Our ocean covers 70% of the world’s surface and accounts for 80% of the planet’s biodiversity. We can't have a healthy future without a healthy ocean - but it's more vulnerable than ever because of climate change and pollution.

Tackling the grave threats to our ocean means working with leaders across sectors, from business to government to academia.

The World Economic Forum, in collaboration with the World Resources Institute, convenes the Friends of Ocean Action , a coalition of leaders working together to protect the seas. From a programme with the Indonesian government to cut plastic waste entering the sea to a global plan to track illegal fishing, the Friends are pushing for new solutions.

Climate change is an inextricable part of the threat to our oceans, with rising temperatures and acidification disrupting fragile ecosystems. The Forum runs a number of initiatives to support the shift to a low-carbon economy , including hosting the Alliance of CEO Climate Leaders, who have cut emissions in their companies by 9%.

Is your organization interested in working with the World Economic Forum? Find out more here .

This perceived trade-off between extraction and protection is what prompted me to assemble a team of colleagues a couple years ago, to calculate how much of the ocean we need to protect, and which areas should be protected to maximize benefits for people and planet. The science is clear: the more biodiversity there is, the more benefits the natural world gives us. So, we need to protect whatever wild is left, and restore what we have degraded.

On land, restoration can be accelerated by replanting native vegetation or reintroducing large animals, but in the ocean, the fastest way to restore balance is to let the ocean do it itself. When we close areas to fishing and other damaging activities, the biomass of fish increases on average six-fold within a decade. Thus, our team developed a new mapping tool to identify the areas that, if fully protected from damaging activities, would give us the greatest gains. Our main findings are the following:

1) More protection = more food

If we protect the right areas in the ocean, they would help replenish the surrounding areas so that the global fishing catch would increase globally up to over 8 million metric tonnes (or 10% of the global catch in 2018). So there goes the myth that we cannot protect more because we need to catch more fish. It is, in fact, conservation that will result in more fish.

2) More protection = less ocean carbon emissions

Our research found that the seafloor, which we thought was the largest carbon store on our planet, has been turned into a source of carbon emissions. Bottom trawlers plow around 5 million km 2 of the seafloor (an area over twice the size of Greenland) every year with huge and heavy nets, disturbing the sediment and the carbon in it. Some of that carbon, when disturbed and resuspended in the water, turns into carbon dioxide – a greenhouse house that can stay in the air for 1,000 years.

The most shocking finding was that CO2 emissions from bottom trawling are similar to those of global aviation. There is a huge opportunity here, to protect the seafloor and precious ecosystems from bottom trawling, and at the same time reduce massive carbon emissions. The carbon that would not be emitted year after year could be sold by countries as carbon credits, and that capital could then be used to finance ocean protection.

3) We must protect at least 30% of the ocean

Our research found that, no matter how we value marine life vs food vs climate, we must protect at least 30% of the global ocean. We would protect less than that only if humanity decided that marine biodiversity was something we did not want – which we know is suicidal. Identifying which areas to protect depends on how countries value each of biodiversity, fisheries and climate change mitigation. Our new mapping tool allows stakeholders to give different values to the different objectives and calculate multiple benefits. Every option yields a different map. But no matter how one values these three areas, the vast majority of the priorities for ocean conservation are located within countries’ 200 mile exclusive economic zones.

4) Global collaboration is more efficient

Importantly, our new research shows that if countries protect areas based on global priorities, it would take less than half of ocean area to achieve the desired benefits than if every country only cares about their national priorities. Going alone would take more effort and be costlier.

Our results support the global target of at least 30% of the ocean to be protected by 2030 that is being proposed by over 50 nations and the European Commission as one of the main targets for the Kunming nature agreement later this year. If we give the ocean the space it needs, it will feed us, boost food security and help us avert climate catastrophe. That is the blue economy we need, the economy of a living ocean.

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Essay on How Can We Save Our Environment

Students are often asked to write an essay on How Can We Save Our Environment in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on How Can We Save Our Environment

Why save the environment.

Our environment is crucial for our survival. It provides us with clean air, water, food, and shelter. However, human activities are damaging it.

Reduce, Reuse, Recycle

To save our environment, we can practice the 3Rs: Reduce, Reuse, Recycle. This means using less, reusing items, and recycling waste.

Plant More Trees

Trees absorb harmful gases and produce oxygen. Planting more trees can help clean the air.

Water is a precious resource. We should avoid wasting it by turning off taps when not in use.

By doing these small things, we can make a big difference in saving our environment.

250 Words Essay on How Can We Save Our Environment

The imperative of environmental conservation.

We live in an era where our environment is under significant threat from various factors such as pollution, deforestation, and climate change. It is crucial for us to understand that the environment is not just an entity that exists for our exploitation, but a fundamental component of our existence.

Reducing Pollution

The first step towards saving our environment is reducing pollution. This can be achieved through the promotion of cleaner and renewable energy sources to limit the release of harmful gases and particulates. Additionally, recycling and waste management practices can significantly reduce the amount of waste that ends up in our oceans and landfills.

Preserving Natural Habitats

Deforestation is another major issue that needs to be addressed. Forests are not only home to countless species but also play a critical role in regulating the Earth’s climate by absorbing carbon dioxide. Implementing stricter regulations on logging and promoting sustainable forestry practices can help preserve these vital ecosystems.

Climate Change Mitigation

Lastly, tackling climate change requires a global effort. We must strive to reduce our carbon footprint through lifestyle changes such as reducing meat consumption and embracing public transportation or cycling. Moreover, advocating for policies that limit greenhouse gas emissions is crucial.

In conclusion, saving our environment is a collective responsibility that requires conscious efforts at individual, community, and global levels. By adopting sustainable practices, we can ensure a healthier and more sustainable future for generations to come.

500 Words Essay on How Can We Save Our Environment

Our environment is under threat, with climate change, biodiversity loss, and pollution posing significant challenges. The degradation of our environment not only affects the health of the planet but also impacts human well-being and prosperity. As such, it is crucial to explore ways we can save our environment, focusing on sustainable practices, education, and policy changes.

Adopting Sustainable Practices

The first step towards saving our environment is adopting sustainable practices in our daily lives. This involves reducing our carbon footprint by using renewable energy sources, minimizing waste, and promoting recycling. For instance, we can switch to solar or wind energy, use public transportation or bicycles instead of personal cars, and purchase products with less packaging. Additionally, we can contribute to the circular economy by reusing, recycling, and composting waste.

Environmental Education and Awareness

Environmental education plays a pivotal role in saving our environment. By understanding the intricacies of our environment and the impact of our actions, we can make informed decisions that benefit the planet. This can be achieved through formal education, community outreach programs, and media campaigns. Moreover, fostering a culture of sustainability in schools, universities, and workplaces can drive behavioral changes and inspire innovative solutions.

Policy Changes and Corporate Responsibility

Policy changes are vital in steering societies towards sustainability. Governments can enforce laws and regulations that limit pollution, protect natural habitats, and promote renewable energy. For example, implementing carbon pricing can incentivize businesses to reduce their greenhouse gas emissions.

Furthermore, corporations have a significant role to play in environmental conservation. They can adopt sustainable business models, invest in green technologies, and uphold corporate social responsibility. This not only reduces their environmental impact but also creates value for their stakeholders.

Scientific Research and Technological Innovation

Scientific research and technological innovation are key to addressing environmental challenges. Breakthroughs in fields such as climate science, conservation biology, and clean technology can provide insights into the state of our environment and offer potential solutions. For instance, technologies like carbon capture and storage, bioengineering, and precision agriculture can help mitigate climate change and promote sustainable development.

In conclusion, saving our environment requires a collective effort that combines sustainable practices, education, policy changes, and technological innovation. By taking action today, we can safeguard our planet for future generations and ensure a sustainable and prosperous future for all. As college students, we are in a unique position to drive this change, through our choices, our studies, and our influence on society. Let us seize this opportunity and do our part in saving our environment.

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Should We Change Species to Save Them?

When traditional conservation fails, science is using “assisted evolution” to give vulnerable wildlife a chance.

Credit... Photo illustration by Lauren Peters-Collaer

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By Emily Anthes

Photographs by Chang W. Lee

This story is part of a series on wildlife conservation in Australia, which Emily Anthes reported from New York and Australia, with Chang W. Lee.

• Published April 14, 2024 Updated April 16, 2024

For tens of millions of years, Australia has been a playground for evolution, and the land Down Under lays claim to some of the most remarkable creatures on Earth.

It is the birthplace of songbirds, the land of egg-laying mammals and the world capital of pouch-bearing marsupials, a group that encompasses far more than just koalas and kangaroos. (Behold the bilby and the bettong!) Nearly half of the continent’s birds and roughly 90 percent of its mammals, reptiles and frogs are found nowhere else on the planet.

Australia has also become a case study in what happens when people push biodiversity to the brink. Habitat degradation, invasive species, infectious diseases and climate change have put many native animals in jeopardy and given Australia one of the worst rates of species loss in the world.

In some cases, scientists say, the threats are so intractable that the only way to protect Australia’s unique animals is to change them. Using a variety of techniques, including crossbreeding and gene editing, scientists are altering the genomes of vulnerable animals, hoping to arm them with the traits they need to survive.

“We’re looking at how we can assist evolution,” said Anthony Waddle, a conservation biologist at Macquarie University in Sydney.

It is an audacious concept, one that challenges a fundamental conservation impulse to preserve wild creatures as they are. But in this human-dominated age — in which Australia is simply at the leading edge of a global biodiversity crisis — the traditional conservation playbook may no longer be enough, some scientists said.

“We’re searching for solutions in an altered world,” said Dan Harley, a senior ecologist at Zoos Victoria. “We need to take risks. We need to be bolder.”

The extinction vortex

The helmeted honeyeater is a bird that demands to be noticed, with a patch of electric-yellow feathers on its forehead and a habit of squawking loudly as it zips through the dense swamp forests of the state of Victoria. But over the last few centuries, humans and wildfires damaged or destroyed these forests, and by 1989, just 50 helmeted honeyeaters remained, clinging to a tiny sliver of swamp at the Yellingbo Nature Conservation Reserve.

Intensive local conservation efforts, including a captive breeding program at Healesville Sanctuary, a Zoos Victoria park, helped the birds hang on. But there was very little genetic diversity among the remaining birds — a problem common in endangered animal populations — and breeding inevitably meant inbreeding. “They have very few options for making good mating decisions,” said Paul Sunnucks, a wildlife geneticist at Monash University in Melbourne.

In any small, closed breeding pool, harmful genetic mutations can build up over time, damaging animals’ health and reproductive success, and inbreeding exacerbates the problem. The helmeted honeyeater was an especially extreme case. The most inbred birds left one-tenth as many offspring as the least inbred ones, and the females had life spans that were half as long, Dr. Sunnucks and his colleagues found.

Without some kind of intervention, the helmeted honeyeater could be pulled into an “extinction vortex,” said Alexandra Pavlova, an evolutionary ecologist at Monash. “It became clear that something new needs to be done.”

A decade ago, Dr. Pavlova, Dr. Sunnucks and several other experts suggested an intervention known as genetic rescue , proposing to add some Gippsland yellow-tufted honeyeaters and their fresh DNA to the breeding pool.

The helmeted and Gippsland honeyeaters are members of the same species, but they are genetically distinct subspecies that have been evolving away from each other for roughly the last 56,000 years. The Gippsland birds live in drier, more open forests and are missing the pronounced feather crown that gives helmeted honeyeaters their name.

Genetic rescue was not a novel idea. In one widely cited success, scientists revived the tiny, inbred panther population of Florida by importing wild panthers from a separate population from Texas.

But the approach violates the traditional conservation tenet that unique biological populations are sacrosanct, to be kept separate and genetically pure. “It really is a paradigm shift,” said Sarah Fitzpatrick, an evolutionary ecologist at Michigan State University who found that genetic rescue is underused in the United States.

Crossing the two types of honeyeaters risked muddying what made each subspecies unique and creating hybrids that were not well suited for either niche. Moving animals between populations can also spread disease, create new invasive populations or destabilize ecosystems in unpredictable ways.

Genetic rescue is also a form of active human meddling that violates what some scholars refer to as conservation’s “ ethos of restraint ” and has sometimes been critiqued as a form of playing God.

“There was a lot of angst among government agencies around doing it,” said Andrew Weeks, an ecological geneticist at the University of Melbourne who began a genetic rescue of the endangered mountain pygmy possum in 2010. “It was only really the idea that the population was about to go extinct that I guess gave government agencies the nudge.”

Dr. Sunnucks and his colleagues made the same calculation, arguing that the risks associated with genetic rescue were small — before the birds’ habitats were carved up and degraded, the two subspecies did occasionally interbreed in the wild — and paled in comparison with the risks of doing nothing.

And so, since 2017, Gippsland birds have been part of the helmeted honeyeater breeding program at Healesville Sanctuary. In captivity there have been real benefits, with many mixed pairs producing more independent chicks per nest than pairs composed of two helmeted honeyeaters. Dozens of hybrid honeyeaters have now been released into the wild. They seem to be faring well, but it is too soon to say whether they have a fitness advantage.

Monash and Zoos Victoria experts are also working on the genetic rescue of other species, including the critically endangered Leadbeater’s possum, a tiny, tree-dwelling marsupial known as the forest fairy. The lowland population of the possum shares the Yellingbo swamps with the helmeted honeyeater; in 2023, just 34 lowland possums remained . The first genetic rescue joey was born at Healesville Sanctuary last month.

The scientists hope that boosting genetic diversity will make these populations more resilient in the face of whatever unknown dangers might arise, increasing the odds that some individuals possess the traits needed to survive. “Genetic diversity is your blueprint for how you contend with the future,” Dr. Harley of Zoos Victoria said.

Targeting threats

For the northern quoll, a small marsupial predator, the existential threat arrived nearly a century ago, when the invasive, poisonous cane toad landed in eastern Australia. Since then, the toxic toads have marched steadily westward — and wiped out entire populations of quolls, which eat the alien amphibians.

But some of the surviving quoll populations in eastern Australia seem to have evolved a distaste for toads . When scientists crossed toad-averse quolls with toad-naive quolls, the hybrid offspring also turned up their tiny pink noses at the toxic amphibians.

What if scientists moved some toad-avoidant quolls to the west, allowing them to spread their discriminating genes before the cane toads arrived? “You’re essentially using natural selection and evolution to achieve your goals, which means that the problem gets solved quite thoroughly and permanently,” said Ben Phillips, a population biologist at Curtin University in Perth who led the research.

A field test, however, demonstrated how unpredictable nature can be. In 2017, Dr. Phillips and his colleagues released a mixed population of northern quolls on a tiny, toad-infested island. Some quolls did interbreed , and there was preliminary evidence of natural selection for “toad-smart” genes.

But the population was not yet fully adapted to toads, and some quolls ate the amphibians and died, Dr. Phillips said. A large wildfire also broke out on the island. Then, a cyclone hit. “ All of these things conspired to send our experimental population extinct,” Dr. Phillips said. The scientists did not have enough funding to try again, but “all the science lined up,” he added.

Advancing science could make future efforts even more targeted. In 2015, for instance, scientists created more heat-resistant coral by crossbreeding colonies from different latitudes . In a proof-of-concept study from 2020, researchers used the gene-editing tool known as CRISPR to directly alter a gene involved in heat tolerance.

CRISPR will not be a practical, real-world solution anytime soon, said Line Bay, a biologist at the Australian Institute of Marine Science who was an author of both studies. “Understanding the benefits and risks is really complex,” she said. “And this idea of meddling with nature is quite confronting to people.”

But there is growing interest in the biotechnological approach. Dr. Waddle hopes to use the tools of synthetic biology, including CRISPR, to engineer frogs that are resistant to the chytrid fungus, which causes a fatal disease that has already contributed to the extinction of at least 90 amphibian species.

The fungus is so difficult to eradicate that some vulnerable species can no longer live in the wild. “So either they live in glass boxes forever,” Dr. Waddle said, “or we come up with solutions where we can get them back in nature and thriving.”

Unintended consequences

Still, no matter how sophisticated the technology becomes, organisms and ecosystems will remain complex. Genetic interventions are “likely to have some unintended impacts,” said Tiffany Kosch, a conservation geneticist at the University of Melbourne who is also hoping to create chytrid-resistant frogs . A genetic variant that helps frogs survive chytrid might make them more susceptible to another health problem , she said.

There are plenty of cautionary tales, efforts to re-engineer nature that have backfired spectacularly. The toxic cane toads, in fact, were set loose in Australia deliberately, in what would turn out to be a deeply misguided attempt to control pest beetles.

But some environmental groups and experts are uneasy about genetic approaches for other reasons, too. “Focusing on intensive intervention in specific species can be a distraction,” said Cam Walker, a spokesman for Friends of the Earth Australia. Staving off the extinction crisis will require broader, landscape-level solutions such as halting habitat loss, he said.

Moreover, animals are autonomous beings, and any intervention into their lives or genomes must have “a very strong ethical and moral justification” — a bar that even many traditional conservation projects do not clear, said Adam Cardilini, an environmental scientist at Deakin University in Victoria.

Chris Lean, a philosopher of biology at Macquarie University, said he believed in the fundamental conservation goal of “preserving the world as it is for its heritage value, for its ability to tell the story of life on Earth.” Still, he said he supported the cautious, limited use of new genomic tools, which may require us to reconsider some longstanding environmental values.

In some ways, assisted evolution is an argument — or, perhaps, an acknowledgment — that there is no stepping back, no future in which humans do not profoundly shape the lives and fates of wild creatures.

To Dr. Harley, it has become clear that preventing more extinctions will require human intervention, innovation and effort. “Let’s lean into that, not be daunted by it,” he said. “My view is that 50 years from now, biologists and wildlife managers will look back at us and say, ‘Why didn’t they take the steps and the opportunities when they had the chance?’”

Emily Anthes is a science reporter, writing primarily about animal health and science. She also covered the coronavirus pandemic. More about Emily Anthes

Chang W. Lee has been a photographer for The Times for 30 years, covering events throughout the world. He is currently based in Seoul. Follow him on Instagram @nytchangster . More about Chang W. Lee

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