On April 8, 2025, the U.S. Environmental Protection Agency (EPA) requested the U.S. Court of Appeals for the D.C. Circuit extend the abeyance in the challenge to EPA’s Final Rule establishing PFAS MCLs. The petitioners and respondent-intervenors do not oppose the request.

This case, which challenges EPA’s PFAS National Primary Drinking Water Regulation (89 Fed. Reg. 32532,

On March 12, 2025, EPA Administrator Lee Zeldin announced the agency’s intention to reconsider 31 environmental regulations, describing the effort as the “single most impactful day of deregulation in EPA history.” While the scope of this initiative spans air, water, and climate regulations, the most consequential actions—legally and practically—center on a handful of cross-cutting programs and sector-specific rules.

In a published opinion filed March 27, 2025, the Fourth District Court of Appeal (Div. 1) reversed the trial court’s judgment denying a writ petition, and held that two screening thresholds of significance for vehicle miles traveled (VMT) impacts adopted by the County of San Diego as part of its 2022 Transportation Study Guide were invalid because they were unsupported by any substantial evidence.  Cleveland National Forest Foundation, et al. v. County of San Diego (2025) 109 Cal.App.5th 1257.

The guidance clarifies obligations, shares steps businesses should take, and reinforces reporting to combat modern slavery.

By Paul A. Davies, Michael D. Green, James Bee, and Toon Dictus

On 25 March 2025, the UK Home Office published its updated Transparency in Supply Chains (TISC): Statutory Guidance (the Guidance), which provides new and