On September 29, 2025, the Council on Environmental Quality (CEQ) published an updated guidance memorandum regarding implementation of the National Environmental Policy Act (NEPA).
In its recent decision in SSM Litigation Group v. EPA, the D.C. Circuit struck down EPA’s 2023 rescission of the long-standing Clean Air Act (“CAA”) Title V “emergency affirmative defense.”
In this edition of GableGotwals’ PFAS Pulse, we track the latest developments in per- and polyfluoroalkyl substances (“PFAS”) regulation and litigation. As PFAS regulation and litigation continue to evolve amidst shifting federal policies and heightened judicial scrutiny, stakeholders must remain vigilant in monitoring these developments.
Major developments in federal climate policy emerged this week from the U.S. Environmental Protection Agency (“EPA”).
The Clean Air Act’s (CAA) New Source Performance Standards’ (NSPS) Subpart OOOOb applies to new, modified, and reconstructed oil and gas facilities as of December 6, 2022.
On May 29, 2025, the Supreme Court issued its 8-0 ruling in Seven County Infrastructure v. Eagle County, significantly narrowing the scope of environmental reviews required under the National Environmental Policy Act (NEPA).
On May 21, the Pipeline and Hazardous Materials Safety Administration (PHMSA) published an Advance Notice of Proposed Rulemaking (ANPRM) in the Federal Register.
On May 14, 2025, the U.S. Environmental Protection Agency (“EPA”) announced plans to revise federal drinking water standards for certain per- and polyfluoroalkyl substances (“PFAS”).
