Biodiversity & Species

What is a species?

Revisiting a key case in the history of the ESA

This article in the NY Times covers a recent scientific article that concludes that the snail darter, a fish species in the Tennessee River basin that was previously listed for protection under the Endangered Species Act (ESA), is not a species after all.  Using a range of genetic analyses, the authors conclude that the snail …

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What Will 2025 Bring in Global Climate Finance?

Last year, international negotiations continued to disappoint on global climate policy, forests, and finance. This year, subnational governments must continue to lead.

As they have for many years, nations came together in 2024 at various climate-related events to push for a brighter future. From the 16th Conference of the Parties (COP) to the Convention on Biological Diversity in Cali, Colombia in October 2024, followed immediately by COP29 to the United Nations Framework Convention on Climate Change (UNFCCC) …

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Six Things to Know about Rights of Nature

Rights of Nature protest sign

More than 500 Rights of Nature laws and policies have been passed globally. Here’s how to make sense of this nascent movement — or movements.

This Fall, I have been co-teaching a course on Rights of Nature with the historian Jill Lepore. This is the first time either of us have taught the subject and it has proven a wonderful opportunity to explore with our students this emerging movement — one that some have praised as “A Legal Revolution That …

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President-Elect Trump vs. California: What Lies Ahead?

Credit: Freepik

Will It Be Environmental Law & Policy Deja Vu All Over Again? Or Even Worse?

Californians who care about the environment likely–and justifiably–feel whipsawed this week.  Former President Trump (#45) has re-emerged as President-elect Trump (#47), interrupted by the intervening four years of the Biden-Harris presidential administration.  (Actually, this presidential whipsaw has been going on for decades: think Bush Sr.-Clinton-Bush Jr.-Obama-Trump-Biden-Trump redux.) In general, California’s progressive environmental laws and policies …

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Six Sleeper Proposals in Project 2025

Project 2025 isn’t just its headline proposals. It’s a thorough, detailed attack on environmental protection.

Project 2025’s proposals involve reduced protection for endangered species, eliminating energy efficiency rules, blocking new transmission lines, changing electricity regulation to favor fossil fuels, weakening air pollution rules, and encouraging sale of gas guzzlers. There’s some pious talk about protecting the environment, but every proposal calls for weakening environmental protections.

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Governors Present Bold Vision for Investing in a New Forest Economy

As global leaders gather in Cali for COP16 and devastating fires continue across the Amazon, we should look to subnational groups for solutions to both the climate and biodiversity loss crisis.

The world has continued to watch as fires burn – yet again – across much of the Amazon basin. With historic droughts and ongoing lack of resources to tackle these fires and their underlying causes, they have ravaged millions of hectares of forests, communities, and wildlife habitat in Bolivia, Peru, Brazil, and beyond. These fires, …

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How to Make Trees Worth More Standing Than Cut Down

The Katoomba Group is celebrating 25 years of pioneering new approaches to realizing value in nature. Here’s what we’ve learned. 

West of Sydney, Australia, lies the Blue Mountains, a range of plateaus and panoramic canyons forested with eucalyptus trees. Oil in the leaves produces a bluish haze, hence the name of the area. Twenty-five years ago, in 1999, a new NGO called Forest Trends brought together a small international group to the town of Katoomba …

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The Ten Most Important U.S. Environmental Laws

An image of the U.S. Capitol Building in the evening.

Some of the choices may surprise you.

What are America’s most important environmental laws? Some are familiar, such as the federal air and water pollution laws, and the Endangered Species Act. But there are other people rarely hear about — even in environmental law courses — but have done a lot to protect the environment.

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NEPA in the Ninth

Can an agency just shortcut the whole process? The 9th Circuit says no.

On Wednesday, the Ninth Circuit decided a NEPA case that discusses two interesting issues. But what’s most striking isn’t what the court did discuss but what it didn’t mention : the fact that last year’s NEPA amendments  speaks directly to one of those issues. Apparently the word that NEPA was extensively amended a year ago …

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A New Era for Protecting Public Lands

The Bureau of Land Management has always prioritized extraction activities. Now the agency has announced a rule that could elevate conservation.

In August, 2021, I blogged on Legal Planet about a piece in Science I had co-authored arguing for an end to prohibiting “nonuse” rights to bid on public land use. The article helped popularize the issue and the Bureau of Land Management today announced a final rule that, as the BLM press release describes, “recognizes …

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