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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Biodiversity To provide progressive environmental study and education that furthers global sustainablity and conservation… 01-0515381 · FY2024 Portland, ME $9.8M $9.0M $7.7M 67% 0% 73 501(c)(3)
The Ojai Valley Land Conservancy Permanent preservation and restoration of open space for the benefit of the wildlife and the communities of… 77-0169682 · FY2024 Ojai, CA $5.6M $3.2M $32.1M 68% 9% 26 501(c)(3)
Florida Oceanographic Society INC Environmental stewardship of florida's coastal ecosystem through education & scientific research 59-1114306 · FY2024 Stuart, FL $4.0M $3.8M $11.4M 78% 11% 45 501(c)(3)
Ecoexploratorio INC To explore, explain and protect the natural world. IT presents a strong commitment to promote and enhance… 66-0762579 · FY2024 Guaynabo, PR $3.2M $2.9M $1.1M 68% 0% 10 501(c)(3)
Intergal Ecology Research Center 20-1687238 · FY2024 Blue Lake, CA $3.1M $2.8M $922.8K 92% 0% 21 501(c)(3)
Ocean Research & Conservation Association INC To study and protect marine ecosystems 20-0901011 · FY2023 Vero Beach, FL $2.7M $2.3M $4.7M 71% 12% 22 501(c)(3)
Niches Land Trust INC NICHES protects, restores and sustains northern indiana's ecosystems by providing habitat for native species… 35-1964901 · FY2024 Lafayette, IN $2.7M $999.5K $19.5M 64% 9% 8 501(c)(3)
Explore Ecology EXPLORE ECOLOGY empowers our community to proect and preserve the planet with innovative environmental… 20-4944165 · FY2024 Santa Barbara, CA $2.0M $1.7M $892.6K 75% 7% 52 501(c)(3)
Foundation for Marine Ecology and Telemetry Research Support the conservation of marine species and populations by developing, improving and using technologies to… 81-1023070 · FY2024 Seabeck, WA $1.9M $1.9M $1.2M 83% 0% 11 501(c)(3)
Klamath Bird Observatory KLAMATH BIRD OBSERVATORY advances BIRD and habitat conservation through science, education, and partnerships. 93-1297400 · FY2024 Ashland, OR $1.7M $1.6M $990.5K 68% 3% 21 501(c)(3)
Oikos Institute for Social Impact We tie anchor insititutions and communities to the ecosystem that allows SOCIAL IMPACT maximization by… 85-1383994 · FY2024 Chicago, IL $1.6M $1.7M $1.9M 68% 0% 2 501(c)(3)
Marine Conservation Biology Institute Advance the science of MARINE CONSERVATION BIOLOGY and secure protection for ocean ecosystems. 91-1725640 · FY2024 Glen Ellen, CA $1.4M $1.5M $1.1M 73% 14% 13 501(c)(3)
Farallon Institute Scientific research organization dedicated to the understanding and preservation of healthy marine ecosystems. 26-0467490 · FY2024 Petaluma, CA $1.4M $1.4M $202.0K 84% 1% 10 501(c)(3)
Ocearch 80-0708997 · FY2024 Park City, UT $1.1M $881.8K $414.7K 61% 24% 7 501(c)(3)
Coastal and Estuarine Research Federation To advance the understanding and stewardship of ESTUARINE and COASTAL ecosystems worldwide. 26-1424697 · FY2024 Seattle, WA $982.7K $745.1K $1.9M 65% 0% 1 501(c)(3)
Kilauea Point Natural History Association The organization promotes better understanding, appreciation, and conservation of the NATURAL HISTORY and… 99-0226697 · FY2023 Kilauea, HI $754.4K $647.1K $689.9K 81% 7% 11 501(c)(3)
Tetiaroa Society Education, conservatoin, and research activities related to tropical island socio-ecosystems. 45-1080688 · FY2024 Bellevue, WA $722.8K $649.7K $5.0M 83% 2% — 501(c)(3)
Knowledge Ecology International INC To undertake research, explore new ideas, and propose new solutions for the management of KNOWLEDGE resources… 83-0461554 · FY2024 Washington, DC $703.1K $724.9K $1.9M 91% 3% 5 501(c)(3)
Ioos Association Develop regional associations for coastal and ocean observing to deliver scientific data and information on… 27-4702525 · FY2023 Silver Spring, MD $657.8K $587.9K $636.6K 85% 0% 1 501(c)(3)
Grupo Cleofas INC To illuminate the global importance of island ecosystems, work together with other nongovernmental… 68-0564517 · FY2024 Gaviota, CA $571.1K $179.8K $1.4M 94% 0% — 501(c)(3)
Algalita Marine Research and Education To protect the MARINE environment and its watersheds through RESEARCH, EDUCATION, and restoration. The… 33-0657882 · FY2024 Long Beach, CA $519.3K $455.9K $742.2K 84% 4% 4 501(c)(3)
Fins Attached Marine Research and Conservation To conduct RESEARCH and promote CONSERVATION and provide education for the protection of the MARINE ecosystem. 27-3567356 · FY2024 Colorado Spgs, CO $495.7K $432.6K $395.5K 100% 0% — 501(c)(3)
Owl Research Institute INC Promote wildlife conservation through RESEARCH and education. 81-0453479 · FY2024 Charlo, MT $459.3K $441.0K $1.2M 79% 5% 7 501(c)(3)
Maine Natural History Observatory NATURAL HISTORY observation 20-0718450 · FY2024 Gouldsboro, ME $348.5K $273.7K $268.1K 88% 0% 4 501(c)(3)
Oseas Conservation Foundation To educate and inspire young people about terrestrial and aquactic species 46-5546130 · FY2025 Ridgefield, CT $311.2K $233.7K $206.3K 100% 0% — 501(c)(3)
Kwiaht Center for the Historial Ecology of the Salish Sea Science for stewardship of the san juan islands including studies of long term change in marine and… 30-0355067 · FY2024 Lopez Island, WA $286.6K $236.6K $107.6K 75% 0% 1 501(c)(3)
Open Source Ecology OSE teaches collaborative design for a transparent and inclusive economy of abundance. We are currently… 45-4997514 · FY2024 Maysville, MO $259.1K $196.1K $507.7K 100% 0% — 501(c)(3)
Amigos De Los Corales De Tela Conserve the ecosystem through research, education, and storytelling 93-2598811 · FY2025 Austin, TX $258.6K $118.4K $177.1K 45% 51% — 501(c)(3)
Ho Oulu Aina Foundation Engage in and support scientific research into natural resource use, environmental protection practices and… 26-3579654 · FY2024 Bellingham, WA $217.8K $154.0K $949.0K 100% 0% — 501(c)(3)
Octo OCTO serves the field of ocean resource management with research and education-related services, including… 91-2099238 · FY2024 Woodinville, WA $215.8K $181.9K $93.9K 70% 9% 3 501(c)(3)
Openoceans Global To build a gis-based web infrastructure designed to bring together ocen data, to connect the ocean… 26-2476179 · FY2024 San Diego, CA $211.6K $14.6K $207.7K 93% 1% — 501(c)(3)
Symbioseas Advance and apply research that benefits oceans and people. 47-1900024 · FY2025 Carolina Bch, NC $199.2K — $26.8K — — — 501(c)(3)
Institute for Tropical Ecology and Conservation INC To provide study abroad opportunities to college and high school students in the area of field ECOLOGY… 59-3434081 · FY2024 Gainesville, FL $191.2K $152.3K $3.6M 92% 0% — 501(c)(3)
Ocean Conservation Research 26-0719608 · FY2024 Lagunitas, CA $190.0K — $67.4K — — — 501(c)(3)
Society for Vector Ecology Promotion of scientific education publication of a biannual online journal 23-7109235 · FY2024 Ontario, CA $166.9K $155.9K $499.2K 54% 0% — 501(c)(3)
Olive Trees Global Supporting Education to Individuals and Educational Organizations. 87-3275231 · FY2024 Kalamazoo, MI $130.5K $137.5K $174.4K 99% 0% — 501(c)(3)
Bearnstow Arts, sciences, conservation 01-0271792 · FY2024 Mount Vernon, ME $122.1K $123.9K $778.3K 79% 0% 1 501(c)(3)
Ecosystem Management Research Institute 82-0520577 · FY2020 Seeley Lake, MT $75.6K — $0 — — — 501(c)(3)
Fundacion Ecologica Educativa INC 66-0584324 · FY2024 San Juan, PR $69.0K — $7.6K — — — 501(c)(3)
2,046,138
nonprofits
212,946
funders
12,515,252
grants
22,549,931
directors
214,365
service providers
549,896,012
financial lines
Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org