Fund for Wild Nature

Maki Foundation

Carbondale, CO

The Maki Foundation funds environmental protection in the Rocky Mountain West, especially wilderness and wildlands, rivers and wetlands, biodiversity, and public lands policy; its stated focus states are New Mexico, Colorado, Utah, Idaho, Wyoming, and Montana. It usually gives $1,000–$5,000 and rarely funds organizations with budgets over $1 million. It accepts unsolicited requests; first-time applicants should send a brief letter of inquiry before applying.

The Horn Foundation

Santa Monica, CA

The Horn Foundation supports education and environmental projects, along with organizations addressing related social and environmental challenges, with 2024 grants ranging from $500 to $550,000 and a median of $15,000. Its 2024 giving went mainly to recipients in New York, California, Washington, D.C., Massachusetts, and North Carolina. It does not accept unsolicited requests and gives only to preselected organizations.

Joseph and Barbara Ellis Foundation

Edison, NJ

The foundation supports organizations in environmental protection and wildlife conservation, music, education, humanitarian relief, and services for older adults, with most 2025 funding going to recipients in New York and Connecticut. Its 2025 grants ranged from $100 to $150,000, with a median of $3,075. It funds only preselected organizations and does not accept unsolicited requests.

Gates Family Foundation

Denver, CO

Gates Family Foundation funds Colorado-focused work in education, natural resources, community development, informed communities, and capital projects benefiting Colorado residents. Its 2025 grants ranged from $2,000 to $20 million, with a median of $25,000. It does not accept unsolicited requests for strategic grants; capital grant applications are accepted.

Aceso Foundation Inc

Bloomington, IN

ACESO Foundation supports community and economic development, including local food systems, gardens, conservation, and animal advocacy. Its 2024 grants ranged from $3,300 to $277,000, with a median of $100,000, and went to organizations across multiple states and Washington, DC. It does not accept unsolicited requests and funds only preselected organizations.

Resolve Inc

Washington, DC

Resolve forges sustainable solutions to critical social, health, and environmental challenges by creating innovative partnerships where they are least likely and most needed. We envision a less polarized world with a shared commitment to transforming ambitious ideas into real benefits for people, communities, and ecosystems.

Colorado Gives Foundation

Arvada, CO

Colorado Gives Foundation funds nonprofits serving Jefferson County, Colorado, with priorities including essential needs, housing, food security, education, workforce development, health, and connected neighborhoods. Its 2024 median grant was $17,814; current opportunities offer $2,500–$100,000 for responsive support and $5,000–$25,000 for housing. The profile does not state whether it accepts unsolicited requests.

The Burning Foundation

Seattle, WA

The Burning Foundation funds habitat and environmental conservation in Washington and Oregon, as well as evidence-based teen pregnancy prevention projects in Washington. Its website lists grants of $5,000–$15,000, while its 2025 grants ranged from $10,000 to $30,000, with a $20,000 median. Applicants may submit an online letter of interest; only those invited may submit a full proposal.

The Oregon Community Foundation

Portland, OR

The Oregon Community Foundation funds nonprofit work in areas including education, health, arts and culture, housing, and community vitality, primarily serving communities across Oregon. Its 2024 grants had a median award of $25,000, though amounts varied widely; organizations apply through specific open grant programs, and the profile does not state whether unsolicited requests are accepted.

The New-Land Foundation Inc

San Francisco, CA

The New-Land Foundation supports peace and arms control, including nuclear issues, as well as environmental work such as wildlife and land conservation and environmental law. In 2024, it made 92 grants ranging from $5,000 to $100,000, with a median award of $20,000; grants went to organizations in several states, led by Colorado and the District of Columbia. The profile does not state whether it accepts unsolicited requests.

The River Foundation

Sherman Oaks, CA

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.