On November 21, the US Fish and Wildlife Service and the National Marine Fisheries Service published four proposed rules to amend the Endangered Species Act implementing regulations. Generally, the Services propose to reinstate language from the first Trump Administration’s 2019 regulations in provisions concerning interagency section 7 consultation, criteria for listing species and designating critical
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EPA, NGOs Continue Aggressive TSCA Enforcement with a Focus on Chemical Reporting Violations
Despite broad shifts in enforcement priorities across the federal government, the US Environmental Protection Agency (EPA) continues to pursue aggressive enforcement of Toxic Substances Control Act (TSCA) violations. Actions taken by EPA in 2025 to date demonstrate sustained TSCA enforcement, including with respect to chemical regulations and particularly chemical data reporting requirements. Environmental non-governmental organizations
Key Takeaways from COP30: UN Climate Change Conference
Last week marked the close of the 30th Conference of the Parties (COP30) to the United Nations Framework Convention on Climate Change (UNFCCC) in Belém, Brazil. COP30, billed by some as the COP of “truth” or “implementation,” sought to advance key issues tied to the climate goals established under the Paris Agreement, now ten years
Ninth Circuit Enjoins California Climate Risk Disclosure Law as CARB Moves Forward with Implementation
For companies assessing their compliance obligations under California’s climate disclosure laws, the whirlwind of legal developments, shifting implementation guidance from the California Air Resources Board (CARB), and uncertainty about the laws’ applicability and substantive compliance obligations continues to present challenges.Continue Reading ›
Agencies Issue a Proposal to Update the Definition of WOTUS
On November 20, 2025, the U.S. Environmental Protection Agency and U.S. Department of the Army issued a notice of a proposed rulemaking to update the definition of “waters of the United States” under the Clean Water Act for consistency with the US Supreme Court’s 2023 decision in Sackett v. Environmental Protection Agency and to clarify
NEW Frequently Asked Questions About EPA’s Expansive PFAS Reporting Rule Under the Toxic Substances Control Act
Back in October of 2023, we provided a list of “Frequently Asked Questions” and answers regarding the US Environmental Protection Agency’s (EPA’s) final reporting rule for per- and polyfluoroalkyl substances (PFAS) under the Toxic Substances Control Act (TSCA). As of May 8, 2024, many companies are facing a one-year countdown to the deadline
In Groundbreaking Final Rule, EPA Designates Two PFAS as Hazardous Substances Under CERCLA
On April 19, 2024, the US Environmental Protection Agency (EPA) released a pre-publication copy of its much-anticipated final rule adding two per- and polyfluoroalkyl substances (PFAS) to the list of “hazardous substances” under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA or Superfund). The rule will be effective 60 days after publication in the
EPA Finalizes Landmark Rule Setting Stringent New Limits for Six PFAS in Drinking Water
On April 10, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication copy of its final rule to establish limits on six per-and-polyfluoroalkyl substances (PFAS) in drinking water under the Safe Drinking Water Act (SDWA). The rule will be effective 60 days after publication in the Federal Register.
SEC Adopts Long-Awaited Final Climate Disclosure Rules
On March 6, 2024, by a party-line vote of 3-2, the US Securities and Exchange Commission (SEC) adopted final rules (entitled “The Enhancement and Standardization of Climate-Related Disclosures for Investors”) requiring most public companies to disclose climate-related information in registration statements and annual reports filed with the SEC. The SEC first proposed climate disclosure rules
California Issues Enforcement Warning for PFAS in Cookware and Food Packaging Laws
On October 17, 2023, California Attorney General (AG) Rob Bonta released an enforcement advisory letter1 to manufacturers, distributors, and sellers of food packaging and cookware detailing how he intends to enforce AB 1200.2 The law bans the sale of regulated per- and polyfluoroalkyl substances (PFAS) in food packaging in California, and also requires disclosure and