In an important published opinion filed March 26, 2026, the First District Court of Appeal (Div. 2) affirmed a trial court’s judgment denying the third CEQA writ petition filed over the last fifteen years challenging Caltrans’ EIR for a project to improve a one-mile stretch of U.S. Highway 101 running through Richardson Grove State Park in Humboldt County.  At issue in each action filed in the serial CEQA litigations – which the Court described as a “labyrinthine” “15-year litigation odyssey” – was the legal adequacy of the EIR’s analysis of the project’s impacts on adjacent old-growth redwood trees and their root systems.  Bess Bair et al. v. California Department of Transportation et al. (2026) ___ Cal.App.5th ___.  After an extensive procedural and legal analysis, the Court held the last petition was properly denied on res judicata grounds following the trial court’s discharge of peremptory writs in the two earlier actions by final orders that were never appealed.

A March 30, 2026, decision from the U.S. District Court for the Northern District of California, in Center for Biological Diversity v. U.S. Department of the Interior, vacated key provisions of the Endangered Species Act (ESA) regulations, including several regulations from 2019 that were revised and/or reissued in 2024. This ruling arrives amid a swirl of potential changes to implementation of the ESA, and signals that courts will be closely scrutinizing forthcoming regulations for consistency with a statute that has long been labeled the “pit bull” of environmental statutes.

The US Department of Agriculture (USDA) and its sub-agency, the US Forest Service (USFS), have taken two significant steps to modernize the regulatory framework governing hard rock mining on National Forest System (NFS) lands. USFS has proposed an overhaul of its locatable mineral regulations, while USDA has finalized updates to its NEPA implementing procedures, together

As we have previously reported here and here,  the New Jersey Department of Environment Protection (NJDEP) announced settlements with 3M and DuPont and its related companies (the DuPont Entities) valued together at $2.5 billion to resolve state-wide PFAS claims.  NJDEP moved to enter the settlements, embodied in Judicial Consent Orders (“JCOs”), in November 2025

As EPA works to finalize a new existing chemicals risk evaluation framework rule, pending Fifth Circuit decisions and legislation introduced to amend TSCA could complicate the Agency’s plans.

By Julia A. Hatcher, Tom Lee, and Hunter J. Kendrick

For the third time since the Toxic Substances Control Act (TSCA) Section 6 was amended

Seyfarth Synopsis: The California Division of Occupational Safety and Health (“Cal/OSHA”) has issued a proposed regulation (Section 331.8. Representatives during the Inspection) that allows employees to designate a representative, including another employee, a third party, or the collective bargaining representative, during workplace safety inspections conducted by Cal/OSHA.

The California Division of Occupational Safety and Health

On April 1, 2026, the National Highway Traffic and Safety Administration issued a notice of proposed rulemaking to amend Federal Motor Vehicle Safety Standard No. 110 to accommodate certain Automated Driving System-equipped vehicles. This action is NHTSA’s latest effort to address automated vehicles and develop corresponding national standards. NHTSA seeks public comment on the proposed