Charity Tax ID # 52-1693387OP Code # 21079

World Wildlife Fund

Multinational conservation organization working worldwide to combat climate change, save endangered animals, protect wild habitats, and transform market forces to act in harmony with nature.

131 Steuart Street, Suite 700, San Francisco, CA, 94105
(202) 293-4800
Charity Tax ID # 53-0167933OP Code # 21077

Wilderness Society, The

Protects wilderness and inspires Americans to care for our wild places, preserving our rich natural legacy for current and future generations.

One Kaiser Plaza, Suite 1450, Oakland, CA, 94612
(800) 843-8456
Charity Tax ID # 04-2535767OP Code # 21075

Union of Concerned Scientists

Scientists and citizens putting science to work to combat global warming, reduce nuclear weapons, promote clean, renewable energy, and make healthy food available for all.

500 12th St, Suite 340, Oakland, CA, 94607
(800) 666-8276
Charity Tax ID # 94-6069890OP Code # 21069

Sierra Club Foundation, The

Fights to preserve wilderness and protect environmental quality worldwide through a powerful combination of education, scientific research, publishing and litigation. 

2101 Webster St, Suite 1250, Oakland, CA, 94612
(415) 995-1780
Charity Tax ID # 23-7413415OP Code # 21023

Desert Tortoise Preserve Committee

Working for the conservation of the threatened desert tortoise and other sensitive wildlife species through acquisition and management of desert habitat, research, and educational outreach.

114 B South China Lake Blvd, Ridgecrest, CA, 93555
(951) 683-3872
Charity Tax ID # 95-3941826OP Code # 9936

Surfrider Foundation

Protects and preserves the world’s oceans, waves and beaches through a powerful activist network. Activities include: water quality monitoring, environmental education and grassroots activism. 

942 Calle Negocio, Suite 350, San Clemente, CA, 92673
(800) 743-7873
Charity Tax ID # 33-0647946OP Code # 18150

San Diego Coastkeeper

Protecting and restoring fishable, swimmable, drinkable waters in San Diego County through education, outreach, science and advocacy.

2825 Dewey Rd, Suite 207, San Diego, CA, 92106
(619) 758-7743
Charity Tax ID # 23-2188166OP Code # 21067

Scenic America

Scenic America is the only national environmental nonprofit dedicated to enhancing the visual character of America’s parks, open spaces, neighborhoods, and transportation corridors.

727 15th Street NW, Suite 1100, Washington, DC, 20005
(202) 792-1300
Charity Tax ID # 94-3148503OP Code # 21081

Bay Area Ridge Trail Council

Our mission is to create a continuous 550-mile trail for hikers, mountain bicyclists, and equestrians along the ridgelines overlooking San Francisco Bay.

391 Sutter St, Suite 701, San Francisco, CA, 94108
(415) 561-2595
Charity Tax ID # 23-1969973OP Code # 922

Peregrine Fund

Saves eagles, condors, falcons, and other endangered birds through research, breeding, and conservation programs. Helps preserve rainforests. Educates children and adults about nature and science.

5668 West Flying Hawk Lane, Boise, ID, 83709
(208) 362-3716
Charity Tax ID # 94-2781708OP Code # 16663

Golden Gate National Parks Conservancy

Working to preserve the Golden Gate National Parks, enhance the park visitor experience, and build a community dedicated to conserving the parks for the future.

Fort Mason Center, Building 201, San Francisco, CA, 94123
(415) 561-3000
Charity Tax ID # 77-0371911OP Code # 16577

Our City Forest

We plant and nurture the urban forest of Silicon Valley’s streets, schools, and parks. Help us grow a greener and healthier community!

646 N. King Rd., San Jose, CA, 95133
(408) 998-7337
Charity Tax ID # 23-7245152OP Code # 21014

Ocean Conservancy

Ocean Conservancy informs, inspires and empowers citizens to take action on behalf of the ocean.

725 Front Street, Suite 201, Santa Cruz, CA, 95060
(800) 519-1541
Charity Tax ID # 51-0401308OP Code # 21005


Works internationally to protect marine wildlife and human health through programs to end pollution and destructive fishing practices, and to ensure vibrant, healthy oceans.

99 Pacific Street, Suite 155C, Monterey, CA, 93940
(202) 833-3900
Charity Tax ID # 13-2654926OP Code # 21052

Natural Resources Defense Council

NRDC works with communities, officials, and businesses to secure laws and policies that will protect our environment for years to come.

111 Sutter St, 21st Floor, San Francisco, CA, 94104
(212) 727-2700
Charity Tax ID # 53-0225165OP Code # 21051

National Parks Conservation Association

Preserves national parks from the Grand Canyon to Gettysburg; protects endangered wildlife and cultural sites; promotes new parks; defends against pollution, inappropriate development and overcrowding.

777 6th Street NW, Ste. 700, Washington, DC, 20001
(202) 223-6722
Charity Tax ID # 53-0242652OP Code # 11483

Nature Conservancy, The

Conserving the lands and waters on which all life depends. Our impact: 65 years, 69 countries, 1,000,000 members and 120,000,000 acres conserved.

201 Mission St, 4th Floor, San Francisco, CA, 94105
(415) 777-0487
Charity Tax ID # 52-1786332OP Code # 2390

National Forest Foundation

Leads forest conservation efforts, promotes responsible recreation, and supports community collaboration and capacity-building on America’s 193 million acre National Forest System.

Bldg. 27, Ste. 3 Fort Missoula Road, Missoula, MT, 59804
(406) 542-2805
Charity Tax ID # 94-6089780OP Code # 21045

Marin Conservation League

Since 1934, pursuing our mission to preserve, protect, and enhance the natural assets and resources of Marin County through prudent action, advocacy, and conservation.

175 N. Redwood Dr, Suite 135, San Rafael, CA, 94903
(415) 485-6257