The Climate Center advocates for accelerated, equitable climate policies. California, as the world’s fourth-largest economy, must step up its climate leadership to catalyze action by other states, nations, and the world to ensure a climate-safe future for all. Below are this year’s letters of support or opposition we have sent to policymakers, along with our partners, to enact the policies we need to reduce climate pollution and build resilient communities.

Position Letters – 2025 (See below for previous years)

Assembly

Support

AB 39 (Zbur) Zero-Emission Vehicles Letter of Support to Assembly Local Government Committee, April 1, 2025

AB 740 (Harabedian) Virtual Power Plants Letter of Support to Assembly Utilities and Energy Committee, March 28, 2025

AB 526 (Papan) Geothermal Energy Letter of Support to Assembly Utilities and Energy Committee, March 25, 2025

AB 531 (Rogers) Geothermal Energy Letter of Support to Assembly Utilities and Energy Committee and ANR Committee, March 25, 2025

AB 399 (Boerner) Blue Carbon Projects Letter of Support to Assemblymember Boerner, March 18, 2025

AB 368 (Ward) Passive House Standards for Cost-Effective Energy Efficiency Letter of Support to Assemblymember Ward, March 3, 2025

AB 491 (Connolly) Climate Goals: Natural and Working Lands Letter of Support to Assembly Natural Resources Committee, March 3, 2025

Oppose

AB 942 (Calderon) Removing Protections from Solar Customers Letter of Opposition to Assembly Utilities and Energy Committee, April 7, 2025

AB 1111 (Soria) Delays to Zero-Emission School Buses Letter of Opposition to Assembly Education Committee, April 2, 2025

Senate

Support

SB 57 (Padilla) Data Center Costs Letter of Support to Senate Energy, Utilities, and Communications Committee, April 1, 2025

SB 684 (Menjivar) Polluters Pay Climate Superfund Act Letter of Support to Senate Environmental Quality Committee, March 25, 2025

SB 222 (Wiener) Climate Insurance Letter of Support to Senate Judiciary Committee, March 19, 2025

SB 279 (McNerney) Scaling Up California Composting Letter of Support to Senate Environmental Quality Committee, March 12, 2025

SB 279 (McNerney) Scaling Up California Composting Letter of Support from co-sponsors to Senate Environmental Quality Committee, March 7, 2025

SB 54 (Allen) Plastic Pollution Prevention and Packing Responsibility Act of 2022 Letter of Support to Governor Newsom, February 11, 2025

Oppose

Comment letters

Coalition letter to California state leaders re. Cap and Trade program, April 10, 2025

Coalition letter to Sonoma Clean Power Board of Directors re. environmental justice and labor standards, April 2, 2025

Coalition letter to California Air Resources Board re. updates to the Landfill Methane Regulation, January 24, 2025

Opposition Letters

Coalition letter to Senate and House Minority Leaders re. fossil fuel industry immunity, March 13, 2025

Coalition letter to Budget Subcommittee No. 3 on Education Finance re. zero-emission school bus cuts, March 4, 2025

Letter to Golden State Finance Authority on Golden State Natural Resources proposed forest resiliency demonstration project, January 17, 2025

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