Regulation

California Pulls Back On Sustainable Aviation Fuels

Air Resources Board abruptly withdraws proposal to mandate low-carbon jet fuel

California regulators had an opportunity this year to be a global leader on requiring airplanes to use low-carbon jet fuel. But the Air Resources Board announced earlier this month that it will back off from its earlier proposal to require jet fuel providers to decarbonize, through the agency’s landmark low carbon fuel standard program. Why …

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Assessing the First Decade of California’s Sustainable Groundwater Management Act

You’re Invited to “10 Years In: A SGMA Report Card”–A Conference at U.C. Davis Law School on 9/6

A decade ago, California stood out–and not in a good way–as the only Western state without comprehensive state laws monitoring and regulating groundwater pumping and use. But in 2014, following years of severe and protracted California drought, and both agricultural and urban water users compensating for depleted surface water flows by pumping groundwater in unprecedented …

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In Their Own Words: Climate Policy and the Party Platforms

The GOP and Democratic Platforms take starkly different approaches.

The two major parties have very different views about energy policy and climate change. Here are their official views, in their own language. Compare and contrast!

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The Impoundment Gambit

Trump plans to use this unconstitutional strategy to reverse congressional priorities and gut environmental agencies.

Trump’s claim of constitutional control over spending would allow him to slash social security or environmental protection with a single stroke his pen, and there would be nothing Congress could do about it.

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Schedule F and the Future of the Regulatory State

What is Schedule F? Would it be legal? And why does it matter so much?

Trump has vowed to destroy the “deep state” and to wreak vengeance on his enemies. Something called “Schedule F” is one of the key tools he plans to use as soon as he takes office to “remove rogue bureaucrats,” and he promises to use that tool “very aggressively.”

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The D.C. Circuit and the Biden Power Plant Rule

Regulating inside the fenceline

The court’s denial of a stay is very good news for EPA

The D.C. Circuit frequently denies stays, but this ruling was notable for three reasons: It allows an important climate change regulation to go into effect; it clarified an important legal doctrine; and it has a good chance of being upheld on appeal.

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Is 2025 the Year of the Carbon Tax?

Regulating inside the fenceline

Carbon border adjustment mechanisms are increasingly the talk of Washington. UCLA Law’s Kimberly Clausing explains some of the options on the table.

There’s a big, important tax debate looming next year—one with opportunities and risks for climate policy, particularly the idea of a carbon tax. It can be hard to see this debate thanks to the daily churn of the 2024 presidential election, but it’s there on the horizon if you squint. For one thing, we’ll likely …

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Understanding Loper: A Sheep in Wolves’ Clothing?

The real world effects may be limited. Or they may undercut presidential power, to the surprise of advocates of the unitary executive.

Because there are so many outstanding questions about the Court’s new approach to judicial review, we won’t know its practical impact for some time. Its symbolic impact as an affirmation of conservative ideology is more obvious. 

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Understanding Loper: The Grandfather Clause

Hundreds of past federal cases relied on Chevron. They remain good law.

To cushion the shock of abandoning Chevron, the Supreme Court created a safe harbor for past judicial decisions. This was well-advised. The Court itself applied Chevron at least seventy times, as did thousands of lower court decisions. The key question will be the scope of the grandfather clause. The Court’s discussion began by saying that …

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Understanding Loper: The Primacy of Skidmore

A previously obscure 1944 case will now be central to judicial review.

Some commentators have tended to write off Skidmore and assume that judges will ignore agency views after Loper Bright. That is a misreading of the Court’s opinions in Loper and in Skidmore itself.

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