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Environmental Organizations
Los Angeles County

Great Blue Heron at Legg Lake

Great Blue Heron at Legg Lake. Los Angeles Almanac Photo.

Organization Address & Telephone Mission
Amigos de los Rios 908 E Altadena Dr, Altadena, CA 91001; (626) 791-1611 Working to create The Emerald Necklace Regional Park Network encompassing the San Gabriel Forest to the Pacific Ocean to Catalina Island.
Antelope Valley Conservancy PO Box 3133, Quartz Hill, CA 93586-0133; (661) 943-9000 Local land trust conservancy that obtains and stewards lands important to the community for quality of life, scenic beauty, plant and animal habitat, connectivity for biodiversity, and watershed function.
Arroyos & Foothills Conservancy PO Box 1, Pasadena, CA 91102; (626)796-0782 Connecting people and land in the San Gabriel and Crescenta Valleys.
Ballona Wetlands Land Trust PO Box 5623, Playa del Rey, CA 90296; (424) 543-4550 Dedicated to the acquisition, restoration, and preservation of the entire Ballona Wetlands ecosystem in Los Angeles.
Breath California of Los Angeles County 5858 Wilshire Blvd, Ste 300, Los Angeles, CA 90036, (323) 935-8050 Promoting clean air and healthy lungs through research, education, advocacy and technology.
Burbank Green Alliance PO Box 10842, Burbank, CA 91501-10842; (818) 584-6242 Promote effective, sustainable practices and build a network of resources to support Burbank and surrounding communities.
California Greenworks 4521, 3347 W 43rd St, Los Angeles, CA 90008; (323) 298-5077 Striving to improve the quality of life in the urban communities across South Los Angeles.
California Native Plant Society – LA/Santa Monica Mountains Chapter --- Working hard to protect California's native plant heritage and preserve it for future generations.
California Native Plant Society – San Gabriel Mountains Chapter 1750 N Altadena Dr, Pasadena, CA 91107 Working hard to protect California's native plant heritage and preserve it for future generations.
California Native Plant Society – South Coast Chapter --- Working hard to protect California's native plant heritage and preserve it for future generations.
Catalina Island Conservancy PO Box 2739, Avalon, CA 90704; (310) 510-1445 Conservation, education, recreation.
CicLAvia 525 S Hewitt St, Los Angeles, CA 90013; (213) 355-8500 Temporarily removes cars from L.A. streets and fills streets up with smiles.
Claremont Wildlands Conservancy 1320 N Mountain Ave, Claremont, CA 91711; Preserving our hillsides.
Climate Cents PO Box 4, Culver City, CA 90232 Connects you to local initiatives that fight climate change & make Los Angeles better.
Communities for a Better Environment 6325 Pacific Blvd, Ste 300, Huntington Park, CA 90255; (323) 826-9771

113 E Anaheim St, Wilmington, CA 90744; (323) 826-9771
Build people’s power in California’s communities of color and low income communities to achieve environmental health and justice by preventing and reducing pollution and building green, healthy and sustainable communities and environments.
Council for Watershed Health 700 N Alameda St, Los Angeles, CA 90012; (213) 229-9945 The Los Angeles region's trusted hub for essential watershed research and analysis.
Endangered Habitats League 8424 Santa Monica Blvd, Ste A592, Los Angeles, CA 90069; (213) 804-2750 Dedicated to the protection of the diverse ecosystems of Southern California and to sensitive and sustainable land use for the benefit of all the region's inhabitants.
Environment California 3435 Wilshire Blvd, Ste 385, Los Angeles, CA 90010; (213) 251-3688 Protecting the places we love, advancing the environmental values we share, and winning real results for our environment.
Environment Now 12400 Wilshire Blvd, Ste 650, Los Angeles, CA 90025; (310) 829-5568 Be an active leader in creating measurably effective environmental programs to protect and restore California's environment.
Friends of Ballona Wetlands PO Box 5159, Playa del Rey, CA 90296; (310) 306-5994 Champion the restoration and protection of the Ballona Wetlands, involving and educating the public as advocates and stewards.
Grades of Green 1730 E Holly Ave, El Segundo, CA 90245; (310) 607-0175 Dedicated to helping schools create environmental change.
Heal the Bay 1444 9th St, Santa Monica, CA 90401; (310) 451-1500 Works to make our coastal waters clean & healthy.
Kounkuey Design Initiative 309 E 8th St #205, Los Angeles, CA 90014; (213) 537-0031 Initiative is a design practice that addresses the critical social & environmental issues facing contemporary society.
LA Community Garden Council 4470 W Sunset Blvd #381, Los Angeles, CA 90027; (323) 902-7167 Strengthen communities by building and supporting community gardens where every person in Los Angeles County can grow healthy food in their neighborhood.
Los Angeles Alliance for a New Economy 464 Lucas Ave, Ste 202, Los Angeles, CA 90017; (213) 977-9400 Addresses the challenges of working poverty, inadequate health care & polluted communities.
Los Angeles Audubon Society PO Box 411301, Los Angeles, CA 90041-8301; (323) 876-0202 A chapter of the National Audubon Society.
Los Angeles Conservation Corps 1400 N Spring St, Los Angeles, CA 90012; (213) 362-9000 Transforms youth while enhancing communities.
Los Angeles League of Conservation Voters PO Box 2173, Arcadia, CA 91077-2173 Electing and supporting environmentally responsible candidates for local public office.
Los Angeles Neighborhood Land Trust 1541 Wilshire Blvd, Ste 400, Los Angeles, CA 90017; (213) 572-0188 Growing healthier communities through urban parks & gardens.
Los Angeles Waterkeeper 120 Broadway, Ste 105, Santa Monica, CA 90401; (310) 394-6162 Safeguard LA’s inland and coastal waters by enforcing laws and empowering communities.
Mountains Restoration Trust 23075 Mulholland Hwy, Calabasas, CA 91302; (818) 591-1701 Keeping the wildlands wild, restoring the land, building stewardship, recreation and research.
Natural Resources Defense Council 1314 Second St, Santa Monica, CA 90401; (310) 434-2300 Ensure the rights of all people to the air, the water, and the wild.
Nature Trust of the Santa Monica Mountains 33905 Pacific Coast Hwy, Malibu, CA 90265; (310)-457-9783 Committed to protecting natural areas of the Santa Monica Mountains.
Palos Verdes / South Bay Audubon Society PO Box 2582, Palos Verdes, CA 90274 A chapter of the National Audubon Society.
Palos Verdes Peninsula Land Conservancy 916 Silver Spur Rd, #207, Rolling Hills Estates, CA 90274; (310) 541-7613 Preserving land and restoring habitat for the enjoyment and education of all.
Pasadena Audubon Society 750 N Altadena Dr, Pasadena, CA 91107; (626) 355-9412 A chapter of the National Audubon Society.
People for Parks LA 7119 W Sunset Blvd #512, Los Angeles, CA 90046; (877) 776-9630 A safe park for every LA child.
Physicians for Social Responsibility Los Angeles 617 S Olive St, Ste 1100, Los Angeles, CA 90014; (213) 689-9170 Advocates for policies and practices that improve public health, eliminate nuclear and environmental threats, and address health disparities.
Plastic Pollution Coalition 2150 Allston Way, Ste 460, Berkeley, CA 94704; (323) 936 3010 Committed to stopping plastic pollution.
Pomona Valley Audubon Society 2058 N Mills Ave, PMB 426, Claremont, CA 91711 A chapter of the National Audubon Society.
River LA 525 S Hewitt St, Los Angeles, CA 90013; (323) 221-7800

Long Beach: 340 Nieto Ave, Long Beach, CA 90814
Seeks to restore the Los Angeles River to a vibrant green corridor for us to visit & enjoy.
San Fernando Valley Audubon Society PO Box 7769, Van Nuys, CA 91409 A chapter of the National Audubon Society.
San Gabriel Mountains Regional Conservancy PO Box 963, Glendora, CA 91740 Stewarding and sustaining through open space planning and land protection.
San Monica Bay Audubon Society PO Box 35, Pacific Palisades, CA 90272 A chapter of the National Audubon Society.
Santa Monica Mountains Trail Council PO BOX 345, Agoura Hills, CA 91376; (818) 222-4531 Dedicated to establishing and maintaining the public trail system throughout the Santa Monica Mountains.
Save LA River Open Space PO Box 1374, Studio City, CA 91614; (818) 509-0230 Fighting to save the San Fernando Valley's last 16 acres of unprotected open space along the L.A. River.
Save Open Space, Santa Monica Mountains --- Maintaining open space, protecting wildlife, and preserving natural resources.
Sierra Club - Angeles Chapter 3250 Wilshire Blvd #1106, Los Angeles, CA 90010; (213) 387-4287 Serving Los Angeles and Orange Counties.
Surfrider Foundation PO Box 6010, San Clemente, CA 92674-6010; (949) 492-8170 Protection and enjoyment of oceans, waves and beaches through a powerful activist network.
Tar Sands Action SoCal --- Educating & organizing people of Southern California to take action against Tar Sands and other fossil fuel destruction.
The Climate Registry PO Box 811488, Los Angeles, CA 90081; (866) 523-0764 Design and operate voluntary and compliance GHG reporting programs globally, and assist organizations in measuring, verifying and reporting the carbon in their operations so they can manage and reduce it.
The Friends of the Los Angeles River 570 W Ave 26 #250, Los Angeles, CA 90065; (323) 223-0585 Working to restore the natural and historic heritage of the Los Angeles River.
The River Project (818) 980-9660 Working toward a living Los Angeles River, nourished by a healthy watershed
Theodore Payne Foundation for Wildflowers and Native Plants 10459 Tuxford St, Sun Valley, CA 91352; (818) 768-1802 Promote, preserve and restore California landscapes, and habitats; to propagate and make available California native plants and wildflowers; to educate and acquire knowledge about California flora and natural history.
Topanga Creek Watershed Committee PO Box 959, Topanga, CA 90290; (310) 455-4156 Help preserve, protect, and improve the health and well-being of the Topanga Creek Watershed and everything that lives there.
TreePeople 12601 Mulholland Dr, Beverly Hills, CA 90210; (818) 753-4600 Environmental nonprofit that unites the power of trees, people & nature-based solutions to grow a sustainable future for Los Angeles.
Whittier Audubon Society PO Box 548, Whittier, CA 90608-0548 A chapter of the National Audubon Society.