Insights

In a significant and unanimous ruling, the D.C. Circuit upheld the Environmental Protection Agency’s (“EPA”) final rule designating perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic acid (“PFOS”) as “hazardous substances” under the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”), denying the petitions of seven industry groups seeking to overturn that designation.[1] CERCLA, also known as the “Superfund Statute,” allows EPA to require potentially responsible parties to fund cleanup of hazardous substances.

On March 10, 2026, the Department of Justice released the first-ever Department-wide Corporate Enforcement and Voluntary Self-Disclosure Policy (the “Department-wide CEP” or “Policy”), which applies to all non-antitrust corporate criminal cases across the Department. The new policy has been anticipated since December 2025, when Deputy Attorney General Todd Blanche announced the Department’s plans to release a new, single corporate enforcement policy for all criminal matters. According to the Department, the new policy is designed to “help ensure consistency across the Department” and “transparently describe the Department’s policies and decisionmaking.”

After hosting a series of workshops and issuing multiple rounds of materials, including enforcement notices, checklists, templates, and other guidance, the California Air Resources Board (CARB) has proposed regulations to implement the Climate Corporate Data Accountability Act (SB 253) and the Climate-Related Financial Risk Act (SB 261) (both as amended by SB 219), which require large U.S.-based businesses operating in California to disclose greenhouse gas (GHG) emissions and climate-related risks. CARB also published a Notice of Public Hearing and an Initial Statement of Reasons along with the proposed regulations. While CARB’s final rules were statutorily required to be promulgated by July 1, 2025, these are still just proposals. CARB’s proposed rules largely track earlier guidance regarding how CARB intends to define compliance obligations, exemptions, and key deadlines, and establish fee programs to fund regulatory operations.