Each year, hundreds of Californians work to improve the health and wellbeing of their communities by spearheading California Climate Investments projects, which are designed to support a more sustainable, more resilient future. Learn what these projects have accomplished in regions across the state.

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Bay Area

Counties: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma

Central Coast

Counties: Monterey, San Benito, San Luis Obispo, Santa Barbara, Santa Cruz

Central Sierra

Counties: Alpine, Amador, Calaveras, Inyo, Mariposa, Mono, Tuolumne

Greater Sacramento

Counties: El Dorado, Placer, Sacramento, Sutter, Yolo, Yuba

Northern California

Counties: Del Norte, Humboldt, Lake, Lassen, Mendocino, Modoc, Nevada, Plumas, Sierra, Siskiyou, Trinity

Northern Sacramento Valley

Counties: Butte, Colusa, Glenn, Shasta, Tehama

San Diego/Imperial

Counties: Imperial, San Diego

San Joaquin Valley

Counties: Fresno, Kern, Kings, Madera, Merced, San Joaquin, Stanislaus, and Tulare

Southern California

Counties: Los Angeles, Orange, Riverside, San Bernardino, Ventura

Geographic Analysis of Funding Distribution

Data as of November 30, 2023

California Climate Investments span all areas of the state. Each administering agency designs programs and selects projects, with many targeting certain populations or geographies. From Indio to Arcata, San Diego County to Modoc County, California Climate Investments is undertaking coordinated action throughout the state to reduce greenhouse gas emissions and provide economic, social, and environmental benefits.

Cumulatively, California Climate Investments programs have implemented $2.4 billion, or 22 percent of funds, in rural counties, with $1.5 billion, or 61 percent, of implemented funds benefiting priority populations. Programs have implemented $8.9 billion, or 81 percent of funding, in other counties, with $6.8 billion, or 77 percent, of funds benefiting priority populations in those counties. See the Rural Counties Representatives of California for a list of rural counties.

A number of implemented California Climate Investments projects span multiple geographic boundaries (e.g., a transit bus line or large forestry project crossing county lines). While most projects can be tied to one project address, where it is not feasible to associate a project with a single region, district, or county, the same project data is included in each area that benefits from the investment. This method of attribution tends to increase the implemented project totals reported here. See the Project List for a more detailed explanation of the methodology the California Air Resources Board uses to evaluate projects that cross geographic boundaries.

The High-Speed Rail Project is also funded by Cap-and-Trade auction proceeds. For more information on expenditures and funding, see the 2024 Economic Impact of California High‑Speed Rail report.