On Dec. 11, 2025, the head of the Federal Executive Branch, Claudia Sheinbaum, published in the Official Gazette of the Federation (DOF) the Decree enacting the General Water Law (LGA) and amending, adding to, and repealing various provisions of the National Water Law (LAN), derived from the initiative submitted on Oct. 9, 2025.
The issuance
On Dec. 10, 2025, the New York Department of Environmental Conservation (DEC) announced the following new and updated policies, final guidance for publicly owned treatment works, and a rural background study, all related to the State’s efforts on addressing Per- and Polyfluoroalkyl Substances (PFAS) and their effects. Over the last several years, New York has been
On December 8, 2025, in the case of New York v. Trump, the federal district court for the District of Massachusetts vacated orders from several federal agencies that implemented a moratorium on permitting and approvals for wind energy projects in response to one of the current administration’s “day one” executive actions. The court vacated
On December 1, 2025, the Department of Environmental Conservation (DEC) announced that it finalized regulations establishing a Mandatory Greenhouse Gas Reporting Program.
On Nov. 18, 2026, the United States Court of Appeals for the Ninth Circuit issued a preliminary injunction enjoining the enforcement of California’s SB 261, which had an initial compliance deadline of Jan. 1, 2026. The same day, the California Air Resource Board (CARB) issued updated guidance concerning its rule-making efforts for both SB
On Nov. 21, 2025, the U.S. Fish and Wildlife Service (FWS) released four proposed rules to revise its Endangered Species Act (ESA) implementing regulations, all of which would apply only prospectively. 90 Fed. Reg. 52587, 52592, 52600, 52607. FWS crafted two of the proposed rules jointly with the National Marine Fisheries Service (NMFS), the agency
On Oct. 28, 2025, Mexico’s Head of the Executive Power, Claudia Sheinbaum, published in the Official Gazette of the Federation (DOF) the Decree establishing administrative facilities for the regularization of concession and assignment titles granted to users of national waters. In line with the National Water Plan 2024-2030, the Decree aims to establish a procedure
On Nov. 21, 2025, the Board of Directors of the New York Independent System Operator, Inc. (NYISO), as anticipated, approved the 2025-2034 Comprehensive Reliability Plan (CRP). This blog post highlights two aspects of the CRP that may have significant repercussions related to future electric generation and transmission planning and development. The first relates to
On November 17, 2025, the U.S. Environmental Protection Agency (EPA) and the Army Corps of Engineers (the Corps) announced a proposed rule (PR) to revise the definition of “waters of the United States” (WOTUS) by excluding several types of waters from the definition of WOTUS in their respective regulations (40 C.F.R. § 120.2 and 33
In a rare occurrence, two appellate courts have recently weighed in on natural resources damages (NRD) claims, providing fresh insights into this evolving area of law. The U.S. Court of Appeals for the First Circuit’s October decision in United States v. Ernst Jacob GmbH & Co. under the Oil Pollution Act, alongside a September Ninth