Jacaranda Health

Global Warming Mitigation Project

Aspen, CO

Awarding the keeling curve prize to organizations or individuals who make a substantial impact in efforts to mitigate global warming as it affects the united states and elsewhere.

Acumen Fund Inc

New York, NY

Stone Steps Foundation

Cardiff, CA

Pace-Able Private Foundation

Berkeley, CA

Keith V Kiernan Foundation

New Bern, NC

The Keith V Kiernan Foundation funds charitable work in areas including humanitarian response, education, housing, financial inclusion, water and sanitation, and nutrition, with 2024 grants supporting organizations across multiple states and Washington, DC. Its 2024 grants ranged from $30,000 to $105,000, with a median of $75,000. It gives only to preselected organizations and does not accept unsolicited funding requests.

The Osprey Foundation Inc

Towson, MD

The Osprey Foundation funds water, sanitation and hygiene, cleaner cooking, interfaith community building, and social justice, including systems-level and capacity-building work. Its 2024 grants ranged from $14,000 to $790,000, with a median of $150,000; it works in the United States, especially Baltimore, and in sub-Saharan Africa, Latin America, and the Middle East. It does not accept unsolicited funding requests and gives only to preselected charitable organizations.

Godley Family Foundation

Saunderstown, RI

The Godley Family Foundation funds global health, climate and environmental work, women and girls, and related community priorities, mainly in the United States—especially Rhode Island and New England—and sub-Saharan Africa. Its 2024 grants ranged from $1,248 to $250,000, with a median of $25,000. It gives only to preselected charitable organizations and does not accept unsolicited requests.

The Ray and Tye Noorda Foundation

Lindon, UT

The Ray and Tye Noorda Foundation funds humanitarian aid, health, education, poverty reduction, and legal rights through grants to organizations across the U.S. and internationally. In 2024, grants ranged from $5,000 to $5 million, with a median of $325,000. It funds only preselected organizations and does not accept unsolicited requests.

World Resources Institute

Washington, DC

World Resources Institute funds work on climate, forests and ecosystem restoration, sustainable food and water systems, oceans, cities, clean energy, and related sustainability issues, supporting organizations in the U.S. and internationally. Its 2025 grants ranged from $5,268 to $2,016,536, with a median of $81,258; it also offers a Global Forest Watch Small Grants Fund, but the available information does not say whether it accepts unsolicited requests generally.

Rippleworks Inc

San Francisco, CA

Rippleworks funds social-impact nonprofits and mission-driven ventures working on issues such as education, healthcare, environmental resilience, and community development, and is open to any sector or geography. Its typical catalytic funding is $1 million–$3 million, though reported grants vary widely; it makes grants to nonprofits and flexible loans to revenue-generating ventures. It funds only preselected organizations and does not accept unsolicited requests.

Mulago Foundation

New York, NY

Mulago Foundation funds scalable solutions addressing the basic needs of people in poverty, including health, environment, education, livelihoods, and water and sanitation, with no geographic restrictions. In 2024, grants ranged from $7,000 to $500,000, with a median of $250,000; it does not accept unsolicited requests and considers organizations through referrals and its fellowship.

Skoll Fund

Mountain View, CA

The Skoll Fund supports social entrepreneurs and innovators advancing bold, equitable solutions, including work in health, climate and the environment, agriculture, education, and civic participation. In 2024, grants ranged from $6,000 to $4.5 million, with a median of $75,000, and went to organizations in multiple states. The profile does not state whether it accepts unsolicited requests.