California’s climate disclosure regime continues to evolve rapidly, with significant regulatory developments, implementation guidance, and litigation affecting the compliance landscape for companies doing business in California. There have been several important developments regarding implementation of California’s landmark climate-disclosure statutes—SB 253 (the “Climate Corporate Data Accountability Act”) and SB 261 (the “Climate-Related Financial Risk Act”), together the “Climate Accountability Package.”
Mayer Brown has been closely following these developments through a series of Legal Updates. This Legal Update summarizes the latest developments, including the California Air Resources Board’s revised rulemaking, the extended 2026 reporting timeline, the evolving framework for 2027 and beyond, and recent litigation and enforcement developments.
Continue reading this Legal Update.