Winston’s Environmental Law Update
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January 29, 2026
|4 min read
CARB Advances Climate Disclosure Rules as Ninth Circuit Appeal Continues
As we previously noted, a legal challenge to California’s climate disclosure laws has made its way to the Ninth Circuit Court of Appeals, which stayed enforcement of one of the laws pending appeal.
November 21, 2025
|4 min read
On November 18, 2025, the Ninth Circuit Court of Appeals ruled to temporarily stay implementation of California SB 261, the state’s corporate climate-related financial risk reporting law, while an appeal is pending related to an industry group-led challenge to the law. In the short ruling, the Ninth Circuit denied the motion to stay implementation of the companion bill, the Climate Corporate Data Accountability Act.



