environmental science

Chevron Gets the Headlines, But State Farm May Be More Important

The abortion pill case could undermine the authority of agency’s expert judgments.

The Chevron doctrine requires judges to defer to an agency’s interpretation of a statute if that interpretation is reasonable. The State Farm case, which is much less widely known, requires courts to defer to an agency’s expert judgment unless its reasoning has ignored contrary evidence or has a logical hole. As you probably already know, …

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The New Particulate Standard and the Courts

The tough new air quality standard is sure to be challenged in court. Winning the challenges will be tougher.

EPA has just issued a rule tightening the air quality standard for PM2.5 — the tiny particles most dangerous to health — from an annual average of 12 μg/m³  (micrograms per cubic meter) down to 9 μg/m³. EPA estimates that, by the time the rule goes into effect in 2032, it will avoid 4500 premature …

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More Unforced Errors in the 2023 NEPA Amendments

Bluntly speaking, the statute is a mess.

When the 2023 amendments to NEPA passed as part of the debt ceiling bill, I wrote a series of blog posts about the drafting errors. It turns out that I missed some, as I discovered when working on the new edition of my environmental law casebook.  They really aren’t all that subtle, and it’s hard …

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Can We Use Regulation to Reduce Inequality?

Contrary to some, I think the answer is yes. And here’s how we can do it.

Inequality is a burning issue in our society but plays only a limited role in the design of regulations.  In an article that came out a week ago, I try to work through questions about how economic and racial inequality can be integrated into rule-making. In terms of economic inequality, the current system already has …

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The Great-Great-Grandmother of Climate Science

Herein of the now-forgotten woman who discovered the warming effect of CO2.

The first climate science ever published was in 1856 by Eunice Newton Foote, who discovered that CO2 and water vapor trapped the sun’s heat.   Her paper was read at the annual meeting of the American Association for the Advancement of Science. That paper, along with another paper of hers,  were the only physics papers by …

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Stanford and Beyond

Organizing Universities Around Sustainability

In May, Stanford grabbed headlines by announcing a billion dollar gift to launch a new School of Sustainability. There hasn’t been much written about the details of Stanford’s effort, or about what other schools are doing along similar lines. There’s little in the way of systematic information, but there does seem to be a lot …

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The Revolution, the Enlightenment and the Climate Crisis

The Founding Era’s belief in facts and science has too often been replaced with political identity as a test of truth.

The Declaration of Independence is a document deeply rooted in the Enlightenment. The Declaration begins with a note of cosmopolitanism, referring to “a decent respect to the opinions of mankind.” There is then the famous passage declaring “these truths to be self-evident, that all men are created equal, that they are endowed by their Creator …

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Expertise versus Politics Under Biden

Experts will no longer be pariahs under Biden. But will their voices be heard?

One of the abiding issues in governance is the balance between democratic leadership and experts.  We don’t want government solely by technocrats.  Nor do we want government steered solely by ideology and politics, as under Trump.  Biden will be a vast improvement, but there’s still some question about whether he’ll get the balance right. I …

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40 Legal Scholars Urge EPA to Withdraw Proposed Ozone NAAQS

EPA’s newest ozone rulemaking has failed to meet even the deferential standard of arbitrary and capricious review.

This blog is co-authored with Sean Hecht. On October 1, 2020, on behalf of 40 environmental and administrative law scholars affiliated with 33 universities in 18 states, Sean Hecht and I filed a comment letter urging EPA to withdraw its decision to keep the National Ambient Air Quality Standards (NAAQS) for ozone at the current …

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Environmentalists v. Cost-Benefit Analysis: What Does the Future Hold?

For now, at least, environmentalists and economists are aligned in criticizing Trump’s rollbacks. Will this alliance last?

If it’s true that “the enemy of my enemy is my friend,” environmentalists might want to take another look at cost-benefit analysis.  The Trump Administration is certainly doing its best to gut economic analysis of its rollbacks.  Both economists and environmentalists are resisting. Is this an alliance of convenience or will it be the start …

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