California Takes Next Step in Corporate GHG Emissions Reporting Rulemaking - ropesgray.com
California advances rulemaking for corporate GHG emissions reporting under SB 253 and SB 261, signaling upcoming mandatory disclosure requirements for large businesses.
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 Medium urgency. Large companies doing business in California, including public and private entities, and their sustainability consultants. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not specified in the change text; check CARB's official rulemaking timeline.. 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
The California Air Resources Board (CARB) is moving forward with rulemaking to implement SB 253 and SB 261, which will require annual GHG emissions reporting and climate-related financial risk disclosure.
Who it affects
Large companies doing business in California, including public and private entities, and their sustainability consultants.
What you must do
Monitor CARB's rulemaking progress and prepare to collect and verify GHG emissions data (including Scope 1, 2, and 3) to meet future reporting obligations.
Deadline
Not specified in the change text; check CARB's official rulemaking timeline.
Never miss a change like this again
Aforeworn watches ESG & Climate Disclosure around the clock and alerts you the moment a rule moves — with a plain-English brief on what to do.
Start your free trialRelated changes in ESG & Climate Disclosure
- 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
- Summer Reprieve: CARB Proposes More Time for SB 253 Reporting - jdsupra.com
- SB 253 Update: CARB Delays Reporting Deadline to November 2026 and Proposes to Clarify Requirements - environmentalhealthsafetybrief.sidley.com