California’s corporate climate disclosure framework has reached a major milestone. The California Air Resources Board (CARB) has officially approved the implementing regulations for SB 253 (Climate Corporate Data Accountability Act) and SB 261 (Climate-Related Financial Risk Act), confirming that corporate climate reporting will soon become a formal compliance requirement for many companies operating in the state.
With this approval, August 10, 2026 has been confirmed as the first reporting deadline under SB 253.
California is often viewed as a regulatory trendsetter, and its climate disclosure laws are expected to influence corporate transparency practices across the United States and globally.
Key Regulatory Updates
SB 253 – Greenhouse Gas Emissions Reporting
The finalized regulations establish the first reporting timeline for emissions disclosures:
- August 10, 2026: First reporting deadline
- Year 1 reporting: Scope 1 and Scope 2 greenhouse gas emissions
- Scope 3 emissions: Expected to be introduced in later phases through additional rulemaking
- Applicability: Companies with more than $1 billion in annual revenue that do business in California
Organizations within scope will need to begin collecting and consolidating emissions data across their operations to meet the upcoming disclosure deadline.
SB 261 – Climate-Related Financial Risk Disclosure
SB 261 currently remains unenforceable following a court decision, and regulators have confirmed that the law is not being enforced at this time, making reporting voluntary for now.
However, many companies are already preparing for potential future requirements. More than 120 organizations have voluntarily published climate risk reports, indicating that market expectations around climate transparency are continuing to grow.
Reporting Impact
With the regulatory framework now approved, companies subject to SB 253 will need to start preparing for structured climate disclosures.
Organizations may face challenges such as:
- Gathering Scope 1 and Scope 2 emissions data across multiple facilities or subsidiaries
- Consolidating operational data such as fuel usage, energy consumption, and refrigerant records
- Coordinating climate reporting across different regulatory programs and jurisdictions
- Preparing systems and processes for future Scope 3 value-chain reporting requirements
For many organizations, these requirements highlight the growing need for effective ESG disclosure management and structured sustainability reporting processes.
How EcoActive Can Help
EcoActive helps organizations manage sustainability data and streamline climate and sustainability disclosure management across evolving regulatory frameworks.
With EcoActive, organizations can:
- Centralize climate and sustainability data across entities and reporting periods
- Manage emissions data for Scope 1, Scope 2, and future Scope 3 disclosures
- Maintain full traceability of data updates and reporting changes
- Handle late adjustments or regulatory updates without disrupting the reporting workflow
- Ensure structured, audit-ready disclosures aligned with evolving regulatory requirements
As climate disclosure mandates expand globally, organizations need robust disclosure management systems to maintain transparency, manage data complexity, and stay prepared for regulatory reporting obligations. Book a demo to know more
