Deregulatory Resources – Environmental and Energy Law Program

Legal Analysis

EPA’s Final Rule Rescinding 2024 MATS Rule and Reinstating 2012 Standards

Analysis of the legal foundations, regulatory history, and contested cost-benefit rationale behind EPA’s repeal of the 2024 MATS rule.

March 18, 2026

Quick Takes

EPA Rejects Colorado’s Regional Haze Plan Over Disputed Coal Plant Closure

A quick take on the disapproval of the state’s regional haze SIP revision, including a look at some of the legal arguments raised by commenters against the proposed disapproval.

March 18, 2026

Legal Analysis

Eliminating the Foundation: Vulnerabilities in and Implications of EPA’s Endangerment Finding Rescission

Analysis breaking down EPA’s arguments in the final rule, exploring potential legal vulnerabilities in litigation, and what this all could mean for regulating GHG emissions in the future.

March 2, 2026

EELP News

Jody Freeman on Shift Key: Clean Air, the Endangerment Rescission, and What’s Next

On a podcast, Jody discusses the endangerment finding and the future of climate law.

February 17, 2026

Legal Analysis

Climate Brief: The Legal Reasoning Behind the Endangerment Rescission

How the Trump Administration justified eliminating the bedrock finding for federal greenhouse-gas regulation, and what comes next.

February 17, 2026

Legal Analysis

One year of Trump’s ‘Energy Emergency’ in Context and in Court

An analysis of the declaration, the policies and actions it has produced, and how they compare with historical uses of emergency authority.

January 21, 2026

Quick Takes

Federal Court Vacates Wind Energy Authorization Pause

Case represents a win for challenger states, the wind industry, and for those in favor of limitations on presidential power.

December 16, 2025

Legal Analysis

The Endangerment Finding Recission and Implications for State Climate Action

A new analysis looks at the stakes for climate policy nationwide.

December 4, 2025

Post

The Endangerment Finding and the DOE Climate Science Report

Video: Jody Freeman and other Harvard faculty experts discuss what’s at stake for current and future climate regulation.

October 8, 2025