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 climate disclosure laws: Ninth Circuit temporarily halts SB 261 and CARB provides new guidance - whitecase.com
- California Pushes Back Deadline for First Corporate Climate Reports to November - esgtoday.com
- Complying With California’s Corporate Climate Disclosure Mandates – the November 18 CARB Workshop, Updated FAQs and Guidance, An Injunction and More - ropesgray.com
- California Takes Next Step in Corporate GHG Emissions Reporting Rulemaking - ropesgray.com
- Summer Reprieve: CARB Proposes More Time for SB 253 Reporting - jdsupra.com