350 Colorado

Sustainable Markets Foundation

New York, NY

The foundation funds research and public education on environmental protection, pollution prevention, clean energy and just transitions, conservation, and related consumer, health, and good-government issues. In 2024, grants ranged from $6,000 to $3,367,500, with a median of $50,000; funding went mainly to organizations in New York and Delaware, with grants also reaching several other states. The profile does not state whether it accepts unsolicited requests.

350ORG

Boston, MA

350.org works with people around the world, using online tools to facilitate strategic campaigns, organizing, and public engagement actions to communicate both the realities of science and principles of justice in addressing the climate crisis.

Everett D and Geneva V Sugarbaker

Saint Louis, MO

The Saint Louis-based foundation’s 2024 grants went to establish two new foundations in Missouri, totaling about $9 million; in 2022 and 2023, it gave about $366,000–$411,000 annually across dozens of grants. It does not accept unsolicited requests and gives only to preselected charitable organizations.

The Entrekin Foundation

Santa Rosa, CA

Bridge Builders Foundation

Gibsonia, PA

The foundation’s 2024 filing reports three liquidation-related distributions to charitable funds, totaling about $1.87 million, or $621,858 each; it does not establish an ongoing program focus or geographic priority. It gives only to preselected charitable organizations and does not accept unsolicited requests.

Patagoniaorg

Ventura, CA

PATAGONIAORG funds bold, direct-action environmental projects that address root causes and create long-term change, including conservation, local campaigns, clean energy, and work involving underrepresented communities. In 2025, it awarded 425 grants totaling $13.2 million; grants ranged from $5,000 to $5,174,555, with a median of $15,000, and giving is concentrated in places connected to Patagonia’s outdoor and retail presence. It does not accept unsolicited requests; organizations considered eligible may be invited to apply.

Institute for Local Self Reliance

Washington, DC

The Institute for Local Self-Reliance funds organizations advancing community energy, worker power, corporate accountability, local composting, broadband, and independent businesses. Its 2025 grants ranged from $10,000 to $625,000, with a median of $52,000; grants went mainly to organizations in California, Maryland, Minnesota, New York, and Washington, DC, while its composting mini-grants serve New England coastal states and New York City. It does not state whether it accepts unsolicited requests generally; it has invited applications for specific composting mini-grant opportunities.

The Bianchi Family Foundation

Los Angeles, CA

Western Conservation Action

Denver, CO

Western Conservation Action funds advocacy, education, lobbying, and related efforts that strengthen the Western U.S. conservation movement, including conservation, climate, clean-energy, and policy work. Its 2024 grants ranged from $10,000 to $250,000, with a median of $55,000, primarily supporting organizations in the western U.S. The profile does not state whether it accepts unsolicited requests.

Lorna Jordan Charitable Organization

Wilmington, DE

The foundation supports preselected charities across areas including climate justice, arts, legal services, and community health, with most 2024 funding going to Washington and additional grants in New York, California, and Hawaii. Its 49 grants ranged from $10,000 to $150,000, with a median of $75,000. It does not accept unsolicited funding requests.

Endres Manufacturing Foundation Inc

Madison, WI

Endres Manufacturing Foundation supports education, technology, business, environmental issues, the arts, and human services, with a focus on projects and programs in the Waunakee–Madison–Dane County area. Recent grants ranged from $500 to $50,000, with a median of $5,000. It is not accepting applications in 2026 and says applications will reopen in 2027, focused on “Kids”; its usual deadlines are May 1 and November 1.

Winslow Foundation

Wilmington, DE

The Winslow Foundation funds work in climate and environmental issues, ocean conservation, civic education, and research, with much of its 2024 giving going to Maryland, Massachusetts, Washington, D.C., and California. Its 2024 grants ranged from $500 to $250,000, with a median of $20,000. It does not accept unsolicited requests and gives only to preselected charitable organizations.