California Sets August 2026 Deadline for First Corporate Climate Reports - ESG Today
California has set an August 2026 deadline for first corporate climate reports under SB 253 and SB 261, requiring companies to disclose GHG emissions and climate risks.
Aforeworn detected this change in the ESG & Climate Disclosure space on July 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 operating in California, including EU-market exporters and sustainability consultants. should confirm how it applies to their specific situation before acting. There is a time constraint attached: August 2026 for first reports; scope 3 reporting starts in 2027.. 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
California finalized the deadline for first climate reports under SB 253 (GHG emissions) and SB 261 (climate risks) to August 2026, with scope 3 reporting starting in 2027.
Who it affects
Public and large private companies operating in California, including EU-market exporters and sustainability consultants.
What you must do
Begin collecting GHG emissions data (scope 1, 2, and 3) and climate risk assessments to meet the August 2026 deadline.
Deadline
August 2026 for first reports; scope 3 reporting starts in 2027.
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- Climate Disclosure Update: Six Weeks to Go Before California’s First GHG Emissions Reporting Deadline Approaches - JD Supra
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- California Climate Disclosure Rules, ESG Compliance and Scope 3 Reporting Risks [Podcast] - The National Law Review
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