Los Angeles County adopted its OurCounty Sustainability Plan in 2019 with binding climate targets, paired with a Climate Vulnerability Assessment guiding adaptation. The Chief Sustainability Office coordinates 159 actions across 12 goals targeting carbon neutrality by 2050 in unincorporated areas.
The Board of Supervisors adopted the OurCounty Sustainability Plan in August 2019, declaring climate change a regional emergency and committing to 159 specific actions across air quality, ecosystems, transportation, buildings, water, and economic equity. The Chief Sustainability Office in the Chief Executive Office leads implementation, working with Public Works, Regional Planning, Public Health, and the Internal Services Department. Targets include 100% renewable electricity countywide by 2045 (matching SB-100), carbon-neutral county operations by 2050, and net-zero new buildings under updated Title 31 Green Building Standards. The county's Climate Vulnerability Assessment maps heat, wildfire, and flood risk to prioritize cooling centers, defensible-space outreach, and stormwater retrofits.
OurCounty is a policy plan, not a regulatory code, so it imposes no individual fines. However, projects in unincorporated areas must meet Title 31 Green Building amendments implementing plan goals; noncompliance halts permit issuance through Building and Safety.
See how other cities in Los Angeles County handle climate emergency mobilization.
See how Lakewood's climate emergency mobilization rules stack up against other locations.
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