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ARTICLE · 17 DECEMBER 2025

CARB Releases Proposed Regulations For SB 261 And 253

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On December 9, 2025, the California Air Resources Board (CARB) released its proposed regulatory text for the initial regulations implementing Senate Bills (SB) 261 and 253.

United StatesEnvironment
Sarah Slack
Sarah Slack
Natasha Dempsey
Natasha Dempsey
Cole Lempke
Cole Lempke
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On December 9, 2025, the California Air Resources Board (CARB) released its proposed regulatory text for the initial regulations implementing Senate Bills (SB) 261 and 253. SB 261 requires covered entities to publish biennial, climate-related financial risk reports, and SB 253 requires reporting entities to disclose scope 1, 2, and 3 greenhouse gas emissions. While the proposed regulations provide some additional information on, and limit, the scope of applicability, as well as information related to the required compliance fees, they provide little guidance on the substance of the information that is required to be included in the reports that must be prepared and submitted under these laws.

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