statutory interpretation

No, DOE, You Can’t Roll Back Product Efficiency Standards

Congress wanted greater energy efficiency over time and banned rollbacks.

The Department of Energy is proposing to rescind key energy efficiency requirements.  It is beyond ironic that it is attempting to do so at a time when the President has proclaimed an energy emergency. Trump says the grid is struggling desperately to meet surging power demand.  That’s a strange time to eliminate regulations that are saving energy. DOE’s action is also illegal, because the law in question has a provision prohibiting rollbacks. Congress wanted efficiency standards to get tougher over time and included an anti-rollback provision to make sure of that.

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NEPA in the Supreme Court (Part III)

Our guide to understanding how causation applies for NEPA reviews.

Overall, the Supreme Court has articulated a functional approach that is based on the purposes of NEPA, based on the structure and text of the statute. Today’s post will lay the foundation by discussing NEPA’s purposes and how they differ from those of another area of law often used as an analogy, tort law

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Judicial Review After Loper Bright

We used to have the Chevron test? What test do we have now?

Loper Bright has created a new two-part test for courts to apply when an agency has interpreted a statute. It’s not the same as Chevron, but it does have some family resemblance.

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Is the Sky Falling? Chevron, Loper Bright, and Judicial Deference

Perplexed? Worried? Here’s a guide to a fraught area of law.

If you’re confused about the Supreme Court’s ruling, you’re not alone. Scholars will be discussing the recent ruling for years. It clearly will limit the leeway that agencies have to interpret statutes, meaning less flexibility to deal with new problems. But unlike many commentators, I don’t think the sky is falling. I was teaching environmental …

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The Supreme Court’s Top-10 Environmental Law Decisions

If these decisions had come out differently, environmental law would look very different than it does today.

Here’s what you really need to know about the Supreme Court’s rulings on environmental law — including its recent trend toward weakening environmental protection.

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Judicial Deference to Agencies: A Timeline

Decisions about judicial deference to agencies on legal issues didn’t begin or end with Chevron.

The Supreme Court is about to make a major decision about the balance of power between courts and agencies like EPA. Here’s what you need to know about the history if the issue to understand what’s going today.

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Deciphering NEPA 2.0

Here’s everything you wanted to know about the “New NEPA” but were afraid to ask.

NEPA was long an island of legal stability, standing almost unamended for over a half century.  Then in the summer of 2023, everything changed.  As a rider on the agreement to raise the debt ceiling, Congress extensively rewrote and expanded NEPA, gifting us with a new statutory regime.  As I’ve written before — and discuss …

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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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Power Play: The Effects of Overruling Chevron

Who will win and who will lose if Chevron is overruled?

Next week, the Supreme Court will hear oral arguments about whether to overrule the Chevron doctrine.  That doctrine allows administrative agencies that implement statutes to resolve ambiguities in those statutes. Overruling the doctrine would shift that power to courts.  Institutionally, then, judges would be the big winners, with more sway over how laws are implemented. …

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Unprecedented Legal Questions

The climate crisis is unprecedented. So is its legal fallout.

In teaching my class on Climate Law, I’ve been struck by how many new legal questions courts are confronting as a result of the climate crisis.  Dealing with these new legal questions is going to put stress on existing legal doctrines and require courts to rethink some basic principles.  Unfortunately, the Supreme Court is pushing …

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