On August 31, 2026, the U.S. District Court for the Northern District of New York struck down New York’s Climate Change Superfund Act (the Act). As we reported when the Act was signed into law in 2024, the Act established
Environmental and Energy Brief
Environmental and Energy Brief, published by Sidley Austin LLP, covers legal developments and regulatory changes affecting environmental law, energy policy, and related compliance issues. The blog addresses topics such as federal and state regulatory proposals, enforcement actions, and litigation trends involving agencies like the EPA, Department of Transportation, and FERC. It also discusses impacts on sectors including automotive fuel economy standards, endangered species protections, water resource regulation, and energy infrastructure. The blog provides analysis of rulemakings, court decisions, and administrative actions that influence environmental and energy law practice and policy.
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SB 253/SB 261 Update: What CARB’s 15-Day Modifications Mean for Business Compliance Plans
U.S.-based entities with at least $1 billion in global annual revenue that do business in California should revisit their 2026 SB 253 compliance plans following the release, by the California Air Resources Board (CARB), of 15-day modifications to its proposed…
NHTSA Announces a Host of Actions on Autonomous Vehicles
On July 30, on the last day of the SAE International Automated Transportation Symposium, the National Highway Traffic Safety Administration (NHTSA) released several rulemakings and announcements focused on automated driving systems (ADS). These announcements further NHTSA’s efforts to, in…
Court Order Blocks Enforcement of California’s SB 343 Recycling Law and Could Impact State’s Extended Producer Responsibility Program
Companies that manufacture products bearing recyclability labels have received temporary relief from impending compliance obligations. On July 14, 2026, the U.S. District Court for the Southern District of California issued a preliminary injunction preventing California, “the State,” from enforcing SB…
Federal Agencies Rescind Endangered Species Act Definition of “Harm,” Narrowing the Scope of Prohibited Activity Affecting Wildlife
The U.S. Fish and Wildlife Service and National Marine Fisheries Service have issued a final rule rescinding the regulatory definition of “harm” under the Endangered Species Act (ESA). The change is significant because the longstanding definition provided that prohibited “harm”…
The Department of Transportation’s 2026 Regulatory Agenda: Acceleration of Autonomous Vehicle Rulemaking and Future Action on Fuel Economy
On July 7, 2026, the Department of Transportation released its 2026 unified rulemaking agenda. Many of the items on it relate to autonomous driving systems. They signal that the Trump Administration is accelerating its efforts to promote the development…
SB 253 Update: CARB Delays Reporting Deadline to November 2026 and Proposes to Clarify Requirements
Companies preparing to comply with California’s Senate Bill (SB) 253 and submit their first required disclosures in August 2026 have received an update this week from the California Air Resources Board (CARB) that will delay reporting deadlines. On June 24…
NHTSA Proposes Amending Federal Brake Standards for Autonomous Vehicles
On June 26, the National Highway Traffic Safety Administration published another proposed rulemaking designed to promote the deployment of autonomous vehicles on public roads. The proposal would amend Federal Motor Vehicle Safety Standard (FMVSS) No. 135, “Light vehicle brake systems,”…
OSHA Schedules Public Hearings on Deregulatory Proposals
The Occupational Safety and Health Administration (OSHA) has scheduled several informal public hearings on more than 20 deregulatory rulemaking proposals that OSHA released last summer, along with a recent proposal addressing compliance deadlines under OSHA’s Walking-Working Surfaces standard. Together, these…
EPA Proposal Could Reduce New Source Review-Related Delays for Major Construction Projects
The U.S. Environmental Protection Agency (EPA) recently proposed a rule that could allow project developers of data centers, energy projects, and other facilities to begin certain site-development and infrastructure activities before obtaining a Clean Air Act (CAA) New Source Review…