The Cap-and-Trade Program is a key element of California’s strategy to reduce greenhouse gas emissions. It complements other measures to ensure that California cost-effectively meets its goals for greenhouse gas emissions reductions.
More about this program
The next auction will be held on November 19, 2025.
Events and deadlines
Current, past, and rulemaking documents
Rulemaking Materials
View Regulation for more information.
Public Workshops
View Meetings & Workshops for more information.
Market Notice
On September 19, 2025, CARB issued a market notice about Cap-and-Trade Regulation Updates.
