California climate disclosure laws: CARB approves greenhouse gas reporting and climate financial risk disclosure regulation - whitecase.com
California's CARB has approved regulations implementing the state's climate disclosure laws (SB 253 and SB 261), requiring companies to report greenhouse gas emissions and climate-related financial risks.
Aforeworn detected this change in the ESG & Climate Disclosure space on August 6, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Public and large private companies doing business in California, including those in the EU-market export sector, and sustainability consultants advising them. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Exact deadlines not specified in the provided text; check the regulation for specific compliance dates.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors ESG & Climate Disclosure continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
CARB approval finalizes the regulatory framework for mandatory GHG emissions reporting and climate financial risk disclosure under California law.
Who it affects
Public and large private companies doing business in California, including those in the EU-market export sector, and sustainability consultants advising them.
What you must do
Review the approved regulation to determine if your company meets the thresholds for reporting; begin preparing to collect and verify GHG emissions data and climate risk assessments.
Deadline
Exact deadlines not specified in the provided text; check the regulation for specific compliance dates.
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- California Air Resources Board Publishes Draft Template for SB 253 Greenhouse Gas Emissions Reporting – Ten Things to Know - Ropes & Gray LLP
- SB 261 Climate Risk Disclosure Halted but SB 253 Left Intact—For Now - Jones Day
- New California Climate-Related Disclosure Mandates Will Require Corporate Reporting Ahead of - and Broader than - the SEC | Thought Leadership | September 2023 - Baker Botts