In an 8-0 decision, the U.S. Supreme Court reversed a D.C. Circuit ruling that had blocked construction of a new 88-mile freight railroad line, clarifying the scope of impacts that federal agencies must consider under the National Environmental Policy Act (NEPA).
Continue Reading Landmark Supreme Court Decision Limits NEPA Review Scope: Agencies Granted ‘Substantial Deference’ in Environmental Assessments

On May 16, 2025, the U.S. Department of the Interior (DOI) announced its intent to solicit public input on federal regulations that may be subject to repeal or revision as part of the Trump administration’s deregulatory agenda.
Continue Reading Interior Department Seeks Public Input on Repealing Public Lands and Natural Resources Rules

The U.S. Fish and Wildlife Service (USFWS) and the National Marine Fisheries Service (NMFS) have proposed to rescind the regulatory definition of “harm” under the ESA to generally remove consideration of habitat when analyzing impacts to covered species. This move has potential to dramatically impact species conservation efforts and developer and landowner obligations under the Endangered Species Act.
Continue Reading Services Propose to Remove Habitat Modification from ESA’s Definition of ‘Harm’

New York’s legislature has passed significant amendments to New York’s Environmental Conservation Law concerning the Inactive Hazardous Waste Disposal Site Remedial Program—commonly referred to as the State Superfund program.
Continue Reading NY’s Superfund Law Poised for Overhaul: Aligning with CERCLA and Accounting for Environmental Justice

NYC Local Law 97 establishes strict carbon emissions limits for large buildings throughout New York City. This blog post examines LL97’s legal implications, including compliance strategies, enforcement risks, and the broader impact on the real estate market.
Continue Reading NYC Local Law 97 Emissions Limits Take Effect. Now What?

On March 27, 2025, Mexico’s Federal Commission for the Protection Against Sanitary Risks (COFEPRIS) published an agreement in the Official Gazette of the Federation (DOF) outlining simplification measures for COFEPRIS procedures.
Continue Reading Mexico Simplifies Procedures Before Its Federal Commission for Protection Against Sanitary Risks

On April 8, 2025, President Donald J. Trump issued an executive order titled Protecting American Energy From State Overreach. The order directs the U.S. attorney general to identify and take action against state and local laws “burdening” domestic energy development, especially laws addressing climate change, environmental, social, and government (ESG) initiatives, and environmental justice.
Continue Reading Executive Order Targets State Climate Laws, But Existing GHG Permit Requirements Remain Enforceable