ARTICLE
29 September 2025

California Climate Disclosure Laws: Did You Make CARB's List?

AP
Arnold & Porter

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Arnold & Porter is a firm of more than 1,000 lawyers, providing sophisticated litigation and transactional capabilities, renowned regulatory experience and market-leading multidisciplinary practices in the life sciences and financial services industries. Our global reach, experience and deep knowledge allow us to work across geographic, cultural, technological and ideological borders.
Yesterday, the California Air Resources Board (CARB) published a list of companies it considers subject to SB-253 and/or SB-261, California's climate disclosure and reporting laws, based on its preliminary review.
United States California Environment

Yesterday, the California Air Resources Board (CARB) published a list of companies it considers subject to SB-253 and/or SB-261, California's climate disclosure and reporting laws, based on its preliminary review. Many companies are working intensively with internal ESG teams, outside consultants, and legal counsel to develop pragmatic implementation plans to meet the laws' requirements and address ambiguities remaining during the pendency of CARB's rulemaking process.

As SB-261's compliance deadline approaches on January 1, 2026, and with CARB's release of the list, Arnold & Porter encourages its clients to ensure compliance implementation plans are on track. Our team is on hand to help navigate complexities in the laws, update you on CARB's regulatory process, and vet compliance plans.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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