On February 7, 2024, the U.S. Environmental Protection Agency (EPA) issued a final rule under the Clean Air Act lowering the primary (health-based) annual National Ambient Air Quality Standard (NAAQS) […]
On February 9, 2024, the U.S. Army Corps of Engineers (Corps) published a proposed rule that would amend the Corps permitting regulations to follow the National Historic Preservation Act (NHPA) […]
On December 7, U.S. Department of Transportation Federal Highway Administration (FHWA) published a final rule providing state Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) a national framework to […]
On November 14, 2023, the U.S. Global Change Research Program (USGCRP) published the Fifth National Climate Assessment. The National Climate Assessment (NCA) is a federal initiative formed under the Global […]
In Calumet Shreveport Refining LLC v. EPA, Case No. 22-60266 (5th Cir. Nov. 22, 2023), the U.S. Court of Appeals for the Fifth Circuit struck down Environmental Protection Agency (EPA) […]
On November 9, 2023, the U.S. Environmental Protection Agency (EPA) published implementing regulations that set timelines and other requirements for state plans to limit pollution from existing sources under Clean […]
On September 21, 2023, Judge Matthew J. Kacsmaryk of the U.S. District Court of the Northern District of Texas rejected a challenge by 26 states and upheld the U.S. Department […]
On September 21, 2023, the U.S. Environmental Protection Agency (EPA) published a notice of a proposed rule, “Review of Final Rule Reclassification of Major Sources as Area Sources Under Section […]
On March 2, 2023, the U.S. Environmental Protection Agency (EPA or Agency) announced several enforcement actions that support reducing the use of hydrofluorocarbons (HFCs). These actions include the following:
On March 3, 2023, the D.C. Circuit Court of Appeals rejected an industry challenge to the April 2021 Revised Cross-State Air Pollution Rule (CSAPR) Update Rule from the Environmental Protection […]