EPA

21 posts

Supreme Court Signals Challenges to Federal Grant Terminations are Contract Disputes

*This is the first post in a blog series that examines the impact of federal grant termination litigation on the Inflation Reduction Act’s Greenhouse Gas Reduction Fund (GGRF). At the time of this post, the U.S. Court of Appeals for the D.C. Circuit had issued a decision in Climate United […]

The Endangerment Finding: The Local Perspective Matters Right Now (Template Comment Letter Linked)

[Here and at the end of this post, a template comment letter is linked for local governments to adapt for their own comments in the Endangerment Finding rule making process.] On August 1, 2025, the U.S. Environmental Protection Agency (EPA) published its proposed repeal of the “Endangerment Finding,” the scientific […]

Sabin Center Submits Comment Letters on EPA’s Proposed Repeal of Power Plant GHG Emission Standards

On June 17, 2025, EPA published a proposed rule to either repeal entirely, or significantly revise, a rule issued in 2024 which set performance standards for fossil fuel-fired power plants to limit their greenhouse gas (GHG) emissions. This week, the Sabin Center filed three comment letters opposing the proposal. First, […]

Sabin Center Files Amicus Brief in Support of EPA’s 2024 Vehicle Emissions Standards

On Friday, December 6, the Sabin Center filed an amicus brief on behalf of the National League of Cities and the U.S. Conference of Mayors in support of the U.S. Environmental Protection Agency (EPA) in Kentucky v. EPA as part of our ongoing amicus efforts to support strong federal climate […]

Local Government Associations File Brief to the Supreme Court in Support of EPA’s Clean Air Act Authority

By Jacob Elkin Today, the Sabin Center filed an amicus brief on behalf of the National League of Cities and the U.S. Conference of Mayors in West Virginia v. EPA, a case that is currently before the United States Supreme Court. The case concerns the scope of the United States […]

The Second Circuit Takes on the Clean Air Act’s International Air Pollution Provision and Climate Change

By Michael Burger* On April 1, 2021, a unanimous Second Circuit panel dismissed a lawsuit filed by New York City against a handful of fossil fuel companies seeking damages for climate change harms under state public nuisance and trespass law. (The opinion and other case materials are available here.) The […]

CSLDF & Sabin Center Respond to the EPA’s Proposed “Transparency” Rule

By Augusta Wilson* On Monday, May 18, the Climate Science Legal Defense Fund (CSLDF) and the Sabin Center for Climate Change Law at Columbia Law School submitted a joint letter to the Environmental Protection Agency (EPA) in response to the agency’s Supplemental Notice regarding its proposed “Strengthening Transparency in Regulatory Science” rule. When […]