11th Hour Project (Schmidt Family Fdn)
Palo Alto, USA
Renewable Energy · Food · Oceans +1
💰 $25K–$100K – $2M–$10M
Schmidt Family Fdn program; FAQ explicitly states they do not accept unsolicited proposals or LOIs.
DIRECTORY
Funders
47 funders matching your filters · 3,011 tracked overall
Showing 30 of 47 funders in Foundation from US
Foundation
Bezos Earth Fund
Washington DC, USA
Agriculture & Rural Development · Climate Change · Energy +4
💰 $500K–$2M – $50M–$250M
Explicitly does not accept unsolicited proposals; periodic competitions like AI for Climate & Nature Grand Challenge are the only open route.
Bill & Melinda Gates Foundation
New York, New York, United States
Education · Financial Services · Lending And Investments +5
💰 $500K–$2M – $50M–$250M✓ Open
Most grants by invitation; runs periodic Grand Challenges open calls with specific deadlines.
Bloomberg Philanthropies
New York, USA
Beyond Coal/Oil & Gas · Sustainable Cities · Ocean
💰 $100K–$500K – $10M–$50M
Does not accept unsolicited proposals; ~100 competitive programmes (e.g. Mayors Challenge, Local Leaders Climate Awards) handled via apply.bloomberg.org/submit when open.
Blue Moon Fund
Charlottesville, USA
Conservation · Sustainable Communities
💰 $25K–$100K – $500K–$2M
Sunset/wound down active grantmaking; legacy site only.
Bullitt Foundation
Seattle, USA
Urban Sustainability · Climate · Ecosystem
💰 $25K–$100K – $100K–$500K
Wound down general environmental grantmaking; now focused only on Bullitt Environmental Prize.
Cedar Tree Foundation
Boston, USA
Sustainable Agriculture · Environmental Health
💰 $25K–$100K – $100K–$500K
By-invitation only; does not accept unsolicited proposals per published policy.
ClimateWorks Foundation
San Francisco, USA
Climate Mitigation · Regranting · Sector Strategies
💰 $25K–$100K – $2M–$10M
Does not accept unsolicited grant proposals; occasional open RFPs (e.g. Adaptation & Resilience Fund) — sign up to newsletter for alerts.
Doris Duke Charitable Foundation (Environment)
New York, USA
Land Conservation · Climate · Ag
💰 $100K–$500K – $2M–$10M✓ Open
Most grants by invitation but accepts LOIs to Environment Program when no open mechanism; Climate-Smart Forests is current strategic priority; $100K-$1M.
Energy Foundation
San Francisco, USA
Clean Energy Policy
💰 $25K–$100K – $500K–$2M
U.S. Energy Foundation; explicitly does not accept unsolicited proposals/LOIs; $156M in 2023 grants to ~617 invited orgs; 30-yr clean energy policy partnership.
Global Environment Facility (GEF)
Washington DC, USA
Biodiversity · Climate · Land Degradation +1
💰 $25K–$100K – $10M–$50M✓ Early-stage
Funds only via 18 GEF Agencies; civil society can access via UNDP-implemented Small Grants Programme (sgp.undp.org) up to $50k per project.
Global Greengrants Fund
Boulder, USA
Grassroots Environment & Climate
💰 <$25K✓ Early-stage
Does not accept unsolicited proposals; uses participatory model with ~200 regional advisors who identify grassroots grantees ($500-$5,000 typical).
Google.org
Mountain View, USA
AI For Climate · Just Transition
💰 $100K–$500K – $10M–$50M✓ Early-stage
No general open process; periodic Impact Challenges/AI for Climate calls; separate Google Ad Grants programme runs rolling for nonprofits.
Heinz Endowments
Pittsburgh, USA
Sustainability · Energy · Justice
💰 $100K–$500K – $500K–$2M✓ Open
Accepts online LOIs for SW Pennsylvania-focused work; reviews quarterly.
Inter-American Foundation (IAF)
Washington DC, USA
Community Led Development · Environment · Indigenous
💰 $25K–$100K – $100K–$500K✓ Early-stage✓ Open
Year-round applications via GovGrants portal in 5 languages; ~120-day review; for grassroots organisations in Latin America/Caribbean.
Jeremy and Hannelore Grantham Environmental Trust
Boston, Massachusetts, United States
Financial Services · Lending And Investments · Other +3
💰 $100K–$500K – $10M–$50M
Strategic environmental funder; partners selected directly, no open application.
JPB Foundation
New York, USA
Environment (Incl. Climate) · Poverty · Neuroscience
💰 $500K–$2M – $10M–$50M
Large US foundation; by invitation only per long-standing policy.
Keith Campbell Foundation for the Environment
Towson, MD, USA
Chesapeake Bay · Conservation
💰 $25K–$100K – $100K–$500K
Chesapeake-focused funder; by invitation only per published guidelines.
Kresge Foundation (Environment)
Troy, MI, USA
Urban Climate Resilience · Equity
💰 $100K–$500K – $2M–$10M✓ Open
Environment program runs periodic open RFPs and invites LOIs; check program page for current calls.
MacArthur Foundation (Climate Solutions)
Chicago, USA
Climate Solutions · US & India Focus
💰 $100K–$500K – $2M–$10M✓ Open
Most grants by invitation but accepts brief inquiries via online form; Climate Solutions strategy focused on US and key emerging economies.
McKnight Foundation
Minneapolis, USA
Agriculture & Rural Development · Climate Change · Economic Development +4
💰 $100K–$500K – $2M–$10M✓ Open
Accepts LOIs by program area; Midwest Climate & Energy and International programs have published guidelines.
Foundation
Carbon Removal · Water · Waste
💰 $500K–$2M – $50M–$250M✓ Open
$1bn equity/debt impact-investment fund (not philanthropy); rolling inquiry form for carbon, water, waste and ecosystem solutions with early commercial traction.
Moore Foundation
Palo Alto, USA
Marine Conservation · Environmental Science
💰 $500K–$2M – $10M–$50M
Most grantmaking is by invitation through Conservation/Science/Patient Care programmes; occasional open RFPs in select areas.
Moore Foundation Andes-Amazon
Palo Alto, USA
Tropical Forest Conservation
💰 $500K–$2M – $10M–$50M
Andes-Amazon Initiative; partners selected through proactive sourcing, not open applications.
National Fish and Wildlife Foundation (NFWF)
Washington DC, USA
Habitat · Species · Climate Resilience
💰 $25K–$100K – $2M–$10M✓ Early-stage✓ Open
Many active RFPs with rolling deadlines; recent open programs include Sustain Our Great Lakes and Five Star.
Open Society Foundations (Climate)
New York, USA
Climate Justice · Just Transition
💰 $25K–$100K – $2M–$10M
Generally by invitation; occasional open calls in specific sub-programs—monitor announcements.
Open Society Foundations (LatAm Climate)
New York, USA
Climate Justice · Just Transition · Indigenous Rights
💰 $25K–$100K – $2M–$10M
LatAm regional grants by invitation; no open RFP for climate work currently.
Packard Foundation
Los Altos, CA, USA
Marine Conservation · Climate · Oceans
💰 $25K–$100K – $500K–$2M
<1% of grants from unsolicited proposals; periodic RFPs in Conservation & Science programme — page lists currently open opportunities.
Patagonia Holdfast Collective
Ventura, USA
Environmental Activism · Climate Solutions
💰 <$25K – $500K–$2M✓ Early-stage
Holdfast Collective has no open process (one staffer, invitation-only); Patagonia's separate Environmental Grants programme accepts proposals at how-we-fund page ($5k-$20k typical).
Pegasus Foundation (MENA)
Boston, USA
Wildlife · Ecosystems
💰 <$25K – $100K–$500K
Small family foundation; by invitation only.
Page 1 of 2Next →