Environment nonprofits in California
Environment nonprofits in California. Browse 4,392 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Melrose-detroit Botanical Garden Association
EIN 923797434 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mendocino Coast Audubon Society
EIN 311578005 · Headquarters: Fort Bragg, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mendocino Coast Botanical Gardens
EIN 942800886 · Headquarters: Fort Bragg, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mendocino Coast Broadband Alliance
EIN 264638209 · Headquarters: Albion, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Mendocino Coast Environmental Center
EIN 680335410 · Headquarters: Albion, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Mendocino County Cooperative Aerial Fire
EIN 260253627 · Headquarters: Ukiah, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Mendocino Eco-education & Events Inc
EIN 815009768 · Headquarters: MENDOCINO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mendocino Ecological Learning Center Melc
EIN 270082594 · Headquarters: Willits, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Mendocino Land Trust
EIN 942362450 · Headquarters: Fort Bragg, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mendocino Mermaids
EIN 833874475 · Headquarters: Fort Bragg, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mendocino Rotary Foundation
EIN 462212022 · Headquarters: Mendocino, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mendocino Trail Stewards
EIN 854086270 · Headquarters: Mendocino, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Mendocino-Lake County Medical Society
EIN 941661363 · Headquarters: Petaluma, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Mendocino-tahoe Conservancy
EIN 800749824 · Headquarters: Nevada City, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Mens Garden Club of Santa Barbara
EIN 237370904 · Headquarters: SANTA BARBARA, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Merced River Education Initiative
EIN 201306244 · Headquarters: MERCED, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- MERITO Foundation Inc FKA MutliCultural Education for Reso
EIN 383911932 · Headquarters: Ventura, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mermaid Islands Corporation
EIN 274132477 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Methane Institute Inc
EIN 993460763 · Headquarters: Rancho Santa Margarita, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Metro San Diego Community Development Corporation
EIN 453411894 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Metrus Energy Nonprofit Finance Inc
EIN 334848377 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Michael Foundation Inc
EIN 814145836 · Headquarters: Poway, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Michael S Klein Charitable Foundation Inc
EIN 472405368 · Headquarters: SANTA ROSA, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Michelle J F Elkind Charitable Tr
EIN 957092236 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mid Klamath Watershed Council
EIN 201501256 · Headquarters: ORLEANS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Middle Mountain Interpretative Hikes
EIN 320454378 · Headquarters: Yuba City, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Midori Bonsai Club
EIN 770164876 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Milkweed Lane Inc
EIN 880565037 · Headquarters: Sherman Oaks, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mill Creek Conservancy
EIN 680355255 · Headquarters: LOS MOLINOS, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mill Creek Watershied Conservancy Inc
EIN 680087251 · Headquarters: Petrolia, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Mill Valley Streamkeepers
EIN 680427275 · Headquarters: mill valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Million Acre Pledge
EIN 473559128 · Headquarters: Piedmont, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mineral and Climate Network
EIN 332734704 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mini Nature Reserve
EIN 475213102 · Headquarters: OXNARD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ministry of Ecology Inc
EIN 237382437 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Minority Renewable Energy Project
EIN 994579581 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Miocean Foundation
EIN 330967391 · Headquarters: IRVINE, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Miracycle Foundation
EIN 932607513 · Headquarters: chino hills, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Miralon Public Maintenance Corporation
EIN 814807645 · Headquarters: PALM DESERT, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mission Awareness Project
EIN 843130077 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mission Bay Residents Association
EIN 237156062 · Headquarters: San Leandro, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Mission City Research
EIN 922979885 · Headquarters: Monterey, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mission Heritage Trail Association
EIN 473725111 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mission Hills Garden Club
EIN 270004544 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mistryland
EIN 861698529 · Headquarters: SANTA CLARA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- MLTPA Foundation
EIN 205554141 · Headquarters: Mammoth Lakes, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Moat Creek Managing Agency
EIN 680291663 · Headquarters: Point Arena, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mobile Recycle Nonprofit Inc
EIN 270985825 · Headquarters: Fullerton, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mobilizegreen Paticipantsinc
EIN 931806437 · Headquarters: HAYWARD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Modest Living Laudato Si Community
EIN 994871345 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Modesto Quarterback Club
EIN 770289274 · Headquarters: Modesto, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mojave Environmental Education Consortium
EIN 203429270 · Headquarters: Victorville, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mojave River Natural History Assoc
EIN 330010902 · Headquarters: Rancho Cucamonga, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Monarch Bear Institute
EIN 383705526 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mongabay Org Corp
EIN 453714703 · Headquarters: MENLO PARK, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Monrovia Mountains Conservancy
EIN 911982542 · Headquarters: Monrovia, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Monrovia Parks Wilderness and Recreation Foundation Inc
EIN 954839197 · Headquarters: Monrovia, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Monterey Audubon Society
EIN 942397544 · Headquarters: CARMEL, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Monterey Bay Area Cactus and Succulent Society
EIN 743116177 · Headquarters: WATSONVILLE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Monterey Bay Artists Equity Fund Inc
EIN 770288086 · Headquarters: Pacific Grove, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Monterey Bay Center for Environmental Literacy
EIN 810793143 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Monterey Bay Heritage Alliance
EIN 813474392 · Headquarters: Monterey, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Monterey Bay Master Gardeners
EIN 770442485 · Headquarters: Salinas, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Monterey Bay Water Works Association
EIN 823324730 · Headquarters: CASTROVILLE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Monterey Coastkeeper
EIN 861423318 · Headquarters: Seaside, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Monterey County Land Watch
EIN 911862145 · Headquarters: Salinas, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Monterey Dunes Natural History Association
EIN 770325976 · Headquarters: Marina, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Monterey Green Initiative
EIN 472979164 · Headquarters: Monterey, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Monterey Horse Park
EIN 770575982 · Headquarters: SPRECKELS, CA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990
- Monterey Pine Forest Watch
EIN 043643462 · Headquarters: Carmel, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Montford Point Marine Association of California Incorporated
EIN 953264765 · Headquarters: SAN DIEGO, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Montgomery Highlands Association Inc
EIN 843594757 · Headquarters: LOS GATOS, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Montgomery-gibbs Environmental Coalition
EIN 842529133 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Moraga Garden Club
EIN 861162099 · Headquarters: Moraga, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- More Attractive Community Foundation Inc
EIN 330193796 · Headquarters: SAN BERNARDINO, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- More Mesa Preservation Coalition
EIN 770549772 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morgan Hill Community Garden
EIN 270578578 · Headquarters: Morgan Hill, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morning Star Ranch Conservancy
EIN 812809221 · Headquarters: Valley Center, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morongo Basin Conservation Association Inc
EIN 952625065 · Headquarters: Joshua Tree, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morongo Valley Trail Riders Assoc
EIN 770610287 · Headquarters: Morongo Valley, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Morro Bay Open Space Alliance
EIN 812375834 · Headquarters: Morro Bay, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morro Bay Public Art Foundation
EIN 770541213 · Headquarters: MORRO BAY, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Morro Coast Audubon Society
EIN 237165021 · Headquarters: MORRO BAY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mossane Women and Children in Need
EIN 842688136 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mother Lode Land Trust
EIN 943137444 · Headquarters: Jackson, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mother Natives
EIN 993046050 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mother Nature Cambodia Inc
EIN 810694399 · Headquarters: SANTA ROSA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mothers and Others for the California Environment
EIN 680238649 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Mothers for Nuclear
EIN 813349003 · Headquarters: LOS OSOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mothers for Peace Action Committee
EIN 470848664 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mothers of the Amazon
EIN 854281528 · Headquarters: TOPANGA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mount Diablo Bird Alliance
EIN 237089801 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mount Shasta Research Foundation
EIN 743132428 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mountain Kids Christmas Fund Inc
EIN 330593192 · Headquarters: Crestline, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mountain Meadows Conservancy
EIN 680475028 · Headquarters: WESTWOOD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mountain Rim Fire Safe Council Inc
EIN 330851413 · Headquarters: Running Springs, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mountain South Source
EIN 451512116 · Headquarters: Los Gatos, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Mountain View Central Business Association
EIN 770151816 · Headquarters: MOUNTAIN VIEW, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Mountain View Drive Road Association
EIN 237216606 · Headquarters: Lafayette, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mourning Tree Memorial Sanctuary
EIN 680454089 · Headquarters: PALO CEDRO, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N