November 2026 —Vote No on Prop 45.

Endorsements

They have special interests.
We have Californians.

250+ organizations stand against Prop 45.

01-sierra-club-california logo01a-calpirg logo01b-breast-cancer-prevention-partners logo01c-state-building-trades logo01d-bluegreen-alliance logo01d-sierra-business-council logo02-greenbelt-alliance logo02-nrdc-action-fund logo03-ana-california logo04-western-center logo05-leadership-counsel logo06-earthjustice logo07-ceja-action logo08-center-for-biological-diversity logo09-planning-conservation-league logo09a-the-climate-center logo10-alliance-of-nurses logo10a-laane logo11-communities-for-better-environment logo12-california-environmental-voters logo13-food-and-water-watch logo14-national-wildlife-federation logo15-psr-la logo16-center-on-race-poverty logo17-psr-sf-bay logo18-ca-nurses-ehj logo19-coalition-for-clean-air logo01-sierra-club-california logo01a-calpirg logo01b-breast-cancer-prevention-partners logo01c-state-building-trades logo01d-bluegreen-alliance logo01d-sierra-business-council logo02-greenbelt-alliance logo02-nrdc-action-fund logo03-ana-california logo04-western-center logo05-leadership-counsel logo06-earthjustice logo07-ceja-action logo08-center-for-biological-diversity logo09-planning-conservation-league logo09a-the-climate-center logo10-alliance-of-nurses logo10a-laane logo11-communities-for-better-environment logo12-california-environmental-voters logo13-food-and-water-watch logo14-national-wildlife-federation logo15-psr-la logo16-center-on-race-poverty logo17-psr-sf-bay logo18-ca-nurses-ehj logo19-coalition-for-clean-air logo
This measure will not help everyday Californians with affordability. It is funded by corporations that want to avoid paying for the pollution their projects cause.

Howard PennExecutive Director, Planning and Conservation League

250+ organizations agree: VOTE NO ON PROP 45

Add Your Organization's Endorsement →

Public Health

  • Alliance of Nurses for Healthy Environments
  • American Nurses Association\California
  • Breast Cancer Prevention Partners
  • California Nurses for Environmental Health and Justice
  • Climate Health Now Action Fund
  • Learning Disabilities Association - CA Affiliate
  • Physicians for Social Responsibility - Los Angeles
  • Physicians for Social Responsibility - San Francisco Bay
  • Prevention Institute
  • Public Health Advocates

Political

  • Democratic Party of Contra Costa County
  • Sonoma County Democratic Party

Environmental – National / International

  • American Whitewater
  • Beyond Pesticides
  • Beyond Plastics
  • Biofuelwatch
  • Center for Biological Diversity
  • Center for Environmental Health
  • Clean Water Action
  • Conservation Biology Institute
  • Defenders of Wildlife
  • Earthjustice
  • Food & Water Watch
  • National Parks Conservation Association
  • National Wildlife Federation
  • Non Toxic Communities
  • NRDC Action Fund
  • Surfrider Foundation

Environmental – California

  • Advocates for the Environment
  • American River Trees
  • Arroyos & Foothills Conservancy
  • Ballona Wetlands Institute
  • Battle Creek Alliance & Defiance Canyon Raptor Rescue
  • Berkeley Partners for Parks
  • Brentwood Alliance of Canyons & Hillsides
  • California Chaparral Institute
  • California Coastal Protection Network
  • California Coastkeeper Alliance
  • California Environmental Voters
  • California Land Watch
  • California Native Plant Society
  • California Preservation Foundation
  • California River Watch
  • California Sportfishing Protection Alliance
  • California Wildlife Foundation
  • Californians Against Waste
  • Californians for Western Wilderness
  • CALPIRG
  • Center for Public Environmental Oversight
  • Citizens Advocating for Roblar Rural Quality (CARRQ)
  • Citizens Committee to Complete the Refuge
  • Citizens for Los Angeles Wildlife (CLAW)
  • Citizens for the Preservation of Parks & Beaches
  • CleanEarth4Kids.org
  • Coalition for a Beautiful Los Angeles
  • Coalition for Clean Air
  • Coast Action Group
  • Coastal Corridor Alliance
  • Coastal Environmental Rights Foundation
  • Coastal Lands Action Network
  • Coastal Ranches Conservancy
  • Committees for Land, Air, Water and Species (CLAWS)
  • Defend Ballona Wetlands
  • Defend Them All
  • Desal Response Group
  • Earthworks
  • Elfin Forest / Harmony Grove Town Council
  • Endangered Habitats League
  • Environment California
  • Environmental Action Committee of West Marin
  • Environmental Center of San Diego
  • Environmental Council of Sacramento (ECOS)
  • Environmental Defense Center
  • Environmental Protection Information Center (EPIC)
  • Environmental Water Caucus
  • Feather River Action!
  • Forest Unlimited
  • Forests Forever
  • Friends of Del Norte
  • Friends of Griffith Park
  • Friends of Gualala River
  • Friends of Harbors, Beaches and Parks
  • Friends of Jenner Creek
  • Friends of Lafferty Park
  • Friends of Loma Alta Creek
  • Friends of Rose Canyon
  • Friends of Rose Creek
  • Friends of the Inyo
  • Friends of the Lost Coast
  • Friends of the Mark West Watershed
  • Friends of the River
  • Golden Gate Bird Alliance
  • Green Foothills
  • Greenbelt Alliance
  • Greenfield Walking Group
  • GreenLA Coalition
  • Habitat 2020
  • Heal the Bay
  • Hills For Everyone
  • Historical Sites Society of Arcata
  • Humboldt Waterkeeper
  • Indivisible CA Green Team
  • Indivisible San Jose
  • Indivisible Santa Cruz County
  • Interactive Resources, Inc.
  • Keep Coyote Creek Beautiful
  • Keep Tahoe Blue
  • Laguna Greenbelt, Inc.
  • LandWatch San Luis Obispo County
  • Los Angeles Audubon Society
  • Los Angeles Conservancy
  • Los Angeles Waterkeeper
  • Los Padres ForestWatch
  • Marin Audubon Society
  • Marin Baylands Advocates
  • Marin Conservation League
  • Mono Lake Committee
  • Morongo Basin Conservation Association
  • Mount Diablo Bird Alliance
  • Mount Shasta Bioregional Ecology Center
  • Mountain Area Preservation
  • Mountain Butterfly Collective
  • North Coast Rivers Alliance
  • O.W.L. Foundation
  • Orange County Coastkeeper
  • Our City SF
  • Planning and Conservation League
  • Power in Nature Action Fund
  • Preserve Calavera
  • Preserve Rural Sonoma County
  • Preserve Wild Santee
  • Protect Ballona Wetlands
  • Protect Monterey County
  • Public Interest Coalition
  • Resource Renewal Institute
  • Restore the Delta
  • River Otter Ecology Project
  • Russian Riverkeeper
  • Safe Healthy Playing Fields, Inc.
  • San Bruno Mountain Watch
  • San Diego Bird Alliance
  • Santa Clara Valley Bird Alliance
  • Santa Clarita Organization for Planning and the Environment (SCOPE)
  • Save Our Seashore
  • Save Our Shores
  • Save Temescal Valley Now
  • SAVE THE PARK
  • Save the Sonoma Coast
  • Scientist Rebellion Turtle Island West
  • SD-SEQUEL
  • Sea and Sage Audubon Society
  • Sierra Business Council
  • Sierra Club California
  • Sierra Nevada Alliance
  • Sierra Watch
  • Siskiyou Crest Coalition
  • SOAR
  • Solano County Orderly Growth Committee
  • Sonoma Ecology Center
  • Sonoma Mountain Preservation
  • South Yuba River Citizens League
  • Southern California Watershed Alliance
  • SPRAWLDEF
  • Stop OAK Expansion Coalition
  • Sustainable Systems Research Foundation
  • Tahoe Sierra Clean Air Coalition DBA TahoeCleanAir.org
  • The LEAP Institute
  • The SummerTree Institute
  • The Urban Wildlands Group
  • Turtle Island Restoration Network
  • Waterbird Habitat Project
  • We Advocate Thorough Environmental Review
  • Western Sonoma County Rural Alliance
  • Wholly H2O
  • WILDCOAST
  • Yosemite Rivers Alliance

Labor

  • BlueGreen Alliance
  • Construction Trades Workforce Initiative (CTWI)
  • Lift Up Contra Costa
  • State Building and Construction Trades Council of California

Civil Rights & Environmental Justice

  • Alianza Coachella Valley
  • APEN Action
  • Brightline Defense Action
  • California Communities Against Toxics
  • California Environmental Justice Alliance Action (CEJA Action)
  • California Interfaith Power & Light
  • Center for Community Action and Environmental Justice
  • Center on Race, Poverty & the Environment
  • Central California Environmental Justice Network
  • Central Valley Air Quality Coalition
  • Central Valley Partnership
  • Clean Air Coalition of North Whittier and Avocado Heights
  • Comité Cívico Del Valle, Inc.
  • Communities for a Better Environment
  • Community Water Center
  • Courage California
  • Esperanza Community Housing
  • Food Access LA
  • Global Alliance for Incinerator Alternatives (GAIA)
  • Greenaction for Health and Environmental Justice
  • Imperial Valley Equity and Justice
  • LA Forward
  • Leadership Counsel for Justice and Accountability
  • Little Manila Rising
  • Los Angeles Alliance for a New Economy
  • PODER
  • Rising Sun Center for Opportunity
  • Riverside Neighbors Opposing Warehouses (R-NOW)
  • South of Market Community Action Network
  • United Neighborhoods for Los Angeles
  • Valley Improvement Projects
  • West Berkeley Alliance for Clean Air and Safe Jobs
  • Western Center on Law & Poverty
  • Youth United for Community Action

Climate & Clean Energy

  • 350 Bay Area
  • 350 Contra Costa Action
  • 350 Humboldt
  • 350 Sacramento
  • Bay Area-System Change not Climate Change
  • California Bicycle Coalition
  • Climate Action California
  • Climate First: Replacing Oil & Gas (CFROG)
  • Climate Reality Project Orange County Chapter
  • Climate Reality Project San Diego
  • Climate Reality Project, San Fernando Valley Chapter
  • Elders Climate Action (ECA) Northern California (NorCal) Chapter
  • Elders Climate Action (ECA) Southern California (SoCal) Chapter
  • Fossil Free California Votes
  • Fridays For Future Palo Alto
  • Long Beach Alliance for Clean Energy
  • Mothers Out Front Silicon Valley
  • Oil and Gas Action Network
  • Pacific Energy Policy Center
  • SanDiego350
  • Santa Cruz Climate Action Network
  • Silicon Valley Youth Climate Action
  • SoCal 350 Climate Action
  • Sonoma County Climate Activist Network (SoCoCAN!)
  • Sunflower Alliance
  • The Climate Center
  • Third Act Sacramento
  • Third Act SF Bay Area
  • Third Act SoCal

Land Trusts

  • American River Conservancy
  • Anza-Borrego Foundation
  • Bolsa Chica Land Trust
  • Gaviota Coast Conservancy
  • Greenspace the Cambria Land Trust
  • Los Angeles Neighborhood Land Trust
  • Los Cerritos Wetlands Land Trust
  • Oswit Land Trust
  • Pacific Forest Trust
  • Save Mount Diablo
  • Sequoia Riverlands Trust
  • Sierra County Land Trust
  • Sonoma Land Trust
  • The Chaparral Lands Conservancy
  • The Escondido Creek Conservancy

Read the full coalition letter to the Legislature: Coalition Letter

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