What You Need to Know
California now requires large companies that do business in the state to report their greenhouse gas emissions each year. The Climate Corporate Data Accountability Act (SB 253) applies to companies with more than $1 billion in annual revenue, and the first reports are due to the California Air Resources Board on Nov. 10, 2026.
This first year, companies report the emissions from their own operations and from the energy they buy. The state is giving some flexibility during this first cycle, especially for companies that weren’t already tracking this data. The requirements are expected to grow in 2027 and may include emissions from companies’ supply chains and an independent review of reported numbers.
CMTA’s guide is a resource to help manufacturers through the process. It explains:
- Who needs to report
- What to include
- How to file
- What changes are coming next year.
- Checklists to help companies stay on track
Submit Feedback
CMTA’s manufacturing members can share feedback on the proposed 2027 requirements by emailing cmtagr@cmta.net.