California Environmental Organizations
A California Chapter of the National Audubon Society
Preserving Rivers and Land for Life
The nonprofit cooperating association for Anza-Borrego Desert State Park
Arroyos & Foothills Conservancy
Connecting People and Land in the San Gabriel and Crescenta Valleys
Protecting East San Diego's Rural Heritage
Dedicated to the acquisition, restoration, and preservation of the entire Ballona Wetlands ecosystem in Los Angeles
Dedicated to the preservation, enhancement and protection of Batiquitos Lagoon
Enriching the deep community connection with our land - today, tomorrow, and forever
Inspiring love of the land and conservation of our treasured landscapes
Dedicated to the conservation and stewardship of Land and community
Conservation through education, advocacy, and monitoring
Butte Creek Watershed Conservancy
Protecting, restoring and enhancing the cultural, economic and ecological heritage of the Butte Creek Watershed
Protecting the Headwaters of Oakland's Peralta Creek
Preserving, restoring, enhancing, and promoting the stewardship of the lands within the Cache Creek watershed
California Environmental Voters
Focused on building the political power to solve the climate crisis, advancing justice, and creating a roadmap for global action.
California Invasive Plant Council
Protecting California's wildlands through science, education, and policy
California Native Plant Society
Working hard to protect California's native plant heritage and preserve it for future generations
Conserving resources. Preventing pollution. Protecting the environment.
Californians for Western Wilderness
Building a constituency for protection of wilderness in the West, as an information clearinghouse for citizens to take effective action.
Conserving California's working ranches that provide stewardship, open space, and natural habitat for future generations
California Wilderness Coalition
Protecting the natural landscapes that make California unique
Conservation. Education. Recreation.
Preserving our important places for future generations
Center for Natural Lands Management
Protecting sensitive biological resources through professional, science based stewardship of mitigation and conservation lands in perpetuity
Central Sierra Audubon Society
A chapter of the National Audubon Society serving both Tuolumne and Calaveras counties
Claremont Wildlands Conservancy
Preserving our Hillsides
Cleveland National Forest Foundation
Dedicated to preserving the plants, animals and other natural resources of Southern California mountains by protecting the land and water they need to survive.
Ensuring public access to the California coast
Local chapter of the Audubon Society based in Thousand Oaks
Desert Tortoise Preserve Committee
Promoting the welfare of the desert tortoise in its native wild state
Eastern Sierra Audubon Society
The little chapter that could...
Working to preserve our rural lands
A local chapter of the Audubon Society serving the Long Beach area
Working to protect this precious and scarce environment
Environmental Protection Information Center
Keeping Northern California Wild Since 1977
Dedicated to the preservation, restoration and protection of the natural open space within the Escondido Creek watershed
Protecting the natural beauty and rural character of our community
Building a sustainable environment for people, birds, and other wildlife through education, science, and advocacy
Raising Awareness of Wetlands, Wildlife, and Wastewater Treatment
Dedicated to conserving the natural diversity of coastal environments
Friends of the Fiscalini Ranch Preserve
Committed to the on-going restoration and protection of the habitat, and natural and cultural features of the ranch
The voice of California's rivers
Dedicated to protecting Bay Area birds, other wildlife, and their natural habitats
A state-wide California land trust
The champion of the places that make the Bay Area special
The Cambria Land Trust
Protecting the Places that make Contra Costa Special
A California chapter of the National Audubon Society
Serving our Environment
Laguna de Santa Rosa Foundation
Protecting and Restoring Sonoma County's Ecological Treasure
Protecting and Preserving Open Space in Orange County
Protecting important land resources
Land Conservancy of San Luis Obispo
Together We Save Special Places
Step into the Outside
Land Trust for Santa Barbara County
Working to preserve and enhance our county’s natural open spaces and agricultural heritage
Preserving the character of Napa County by permanently protecting land
Land Trust of Santa Cruz County
Santa Cruz County is special and we're working to keep it that way
Serving Northern Santa Barbara County, California
Sustaining Places Across Generations
Promoting the enjoyment and protection of birds and other wildlife through recreation, conservation and restoration
Protecting Our Public Lands Along California's Central Coast
A Sonoma County Chapter of the National Audubon Society
Preserving Marin County Farmland
Conserving and restoring natural ecosystems, focusing on birds, other wildlife, and their habitats
Community watershed restoration since 1983
Mendocino Coast Audubon Society
A local chapter of the Audubon Society in the Fort Bragg area
Conserving important natural resources of Mendocino County
Fighting to protect Mono Lake from excessive water diversions to Los Angeles
Monterey Peninsula Audubon Society
A Chapter of the National Audubon Society since 1943
Serving San Luis Obispo County since 1966
Together, we can save America's lion
A local chapter of the Audubon Society based in Walnut Creek
Sharing the fun of birding and promoting conservation and scientific understanding of wild birds and their habitats
Connect. Experience. Protect.
Nature Conservancy - California
Protecting the Golden State
North Coast Environmental Center
Conserve, protect, and celebrate terrestrial, aquatic, and marine ecosystems of northern California and southern Oregon
Northern California Regional Land Trust
Keeping working lands working and wild lands wild
A local chapter serving southern Alameda County
Protecting your views, trails, water, and wildlife
The leading nonprofit in Silicon Valley for urban forestry and environmental education.
Preserving and Protecting the Open Spaces of Pacifica
A chapter of the National Audubon Society serving the north San Diego County
Palos Verdes Peninsula Land Conservancy
Preserving land and restoring habitat for the enjoyment and education of all
Palos Verdes/South Bay Audubon Society
Serving the Palos Verdes Peninsula and the Greater South Bay Area
Bringing the excitement of birds to our community through birding, education and the conservation of bird habitats
Preserve Open Space Close to Home
Serving interior Mendocino County
Protecting Placer County's Natural Wonders for you, your family, and your community
Planning & Conservation League
Devoted to making California a better place to live through enacting environmental protections
Promoting the protection, appreciation and enjoyment of birds and other wildlife through recreation, education and conservation of habitat
A chapter of the National Audubon Society, based in Lake County
Redwood Coast Land Conservancy
Dedicated to preserving and protecting coastal lands from the Russian River to the Navarro River
Redwood Region Audubon Society
The northwestern California Chapter of the National Audubon Society
Serving Southern California
Inspiring the Community to Protect the Russian River Forever
A chapter of the National Audubon Society
Open space. For all of us.
San Bernandino Valley Audubon Society
Striving to bring people to their natural environment
A land and water trust whose mission is to conserve the Mattole River watershed and surrounding areas
Leading the way in fostering knowledge and appreciation of the natural world
San Diego River Park - Lakeside Conservancy
Celebrating and Preserving the San Diego River
San Fernando Valley Audubon Society
A chapter of the National Audubon Society
A California Chapter of the National Audubon Society Serving all of San Joaquin County
San Joaquin River Parkway and Conservation Trust
Conservation, Education, and Recreation
A chapter of the National Audubon Society
Santa Clara Valley Audubon Society
Conservation. Education. Birding.
Sponsors birding walks in and around the county of Santa Cruz
Santa Monica Bay Audubon Society
A chapter of the National Audubon Society
Santa Monica Mountains Trail Council
Dedicated to establishing and maintaining the public trail system throughout the Santa Monica Mountains
Preserving, defending and restoring natural lands
Walk Among Giants
A leader in creating an understanding of nature in Orange County through conservation, research and environmental education programs
Preserving Redwood Forests Since 1900
Protecting native birds and other wildlife and their ecosystems in San Mateo County
Conserving California's Heartland
Serving Los Angeles and Orange Counties
Sierra Club - Kern-Kaweah Chapter
Serving the California Counties of Kern, Kings, and Tulare
Sierra Club - Loma Prieta Chapter
Serving San Benito, San Mateo & Santa Clara Counties
Sierra Club - Mother Lode Chapter
Serving 24 counties in northern and central California
Explore, enjoy, and protect the planet
Sierra Club - San Diego Chapter
Serving San Diego and Imperial Counties
Sierra Club - San Francisco Bay Chapter
Serving Alameda, Contra Costa, Marin, and San Francisco Counties
Sierra Club - San Gorgonio Chapter
Serving the Inland area of Southern California, Riverside and San Bernardino counties
Sierra Club - Santa Barbara-Ventura Chapter
Serving California's Santa Barbara and Ventura counties
Sierra Club - Santa Lucia Chapter
Serving San Luis Obispo County
Sierra Club - Tehipite Chapter
Fresno area
Serving Nevada and Eastern California
Serving Monterey and Santa Cruz Counties
Ensuring that present and future generations will continue to experience and enjoy the land in this region
Keeping light in the range
Protecting natural areas, working farms, and ranchlands in Solano County
Sonoma County Conservation Action
Educating and directly engaging the public on local environmental issues and policies
Preserving what you love about Sonoma County
Sutter Buttes Regional Land Trust
Working to protect the land and natural resources of the Sutter Buttes and the surrounding region
Guardian of the Mountain since 1912
Supporting the ecologic and economic sustainability of natural resources and open space in family ownership
Helping nature heal our cities
Stewarding natural and cultural resources through habitat restoration, land conservation, access, education, and community empowerment.
Preserving Land for Future Generations
Preserving and protecting scenic, historic and recreational lands with high natural resource values in the greater Truckee Donner region
Protecting, preserving, and restoring the wilderness qualities and biodiversity of the public lands within California's northern Santa Lucia Mountains and Big Sur coast
A chapter of the National Audubon Society located in Ventura County
Protecting and conserving open space resources in the Ventura region
Volcan Mountain Preserve Foundation
Keeping it wild!
Preserving Natural and Indigenous Heritage
A chapter of the National Audubon Society
Owns and operates California's largest nonprofit nature preserve system
Preserving California’s rich heritage of open spaces, agricultural land, and diverse wildlife
Serving Redding and the Shasta County area
Preserving the wisdom of the ancient Chumash culture and linking it to the present day environmental issues
Fostering an appreciation of birds and conservation in Yolo County
Preserving Yolo County’s agricultural and natural resource heritage
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