Get Ready for California SB 253
Greenhouse Gas Emissions Reporting Made Simple
California’s Climate Corporate Data Accountability Act (SB 253) sets a new standard for transparency in greenhouse gas (GHG) emissions reporting. If your company earns $1 billion or more annually, you’ll soon need to disclose Scope 1, 2, and 3 emissions. Compliance is essential for avoiding penalties and maintaining stakeholder trust.
Key Requirements
- Who Must Comply: Public and private companies with $1B+ annual revenue.
- What to Report: Scope 1 & 2 emissions by June 30, 2026 (for 2025 data); Scope 3 reporting begins in 2027.
- Verification (per the latest CARB guidance as of November 2025): If your organization has verification, CARB encourages submission in 2026. However, limited assurance is only recommended in 2026 for Scope 1 & 2 emissions; it is not required until 2027. Limited assurance for Scope 3 emissions is required by 2030, and Scope 1 & 2 emissions will transition to reasonable assurance in 2030.
- Public Disclosure: Reports must be accessible via a corporate site or state platform.
Why Act Now?
Building reliable processes today ensures smooth compliance tomorrow. Early preparation reduces risk and positions your organization as a sustainability leader.
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