Last updated June 14, 2026
There are currently 2,103 active environmental grants in Grantable's free grants database, drawn from state and foundation sources and updated daily.
Environmental grants fund a wide range of work, from pollution reduction and climate resilience to habitat restoration and community stewardship. Major federal sources include the U.S. Environmental Protection Agency (EPA), the USDA Natural Resources Conservation Service (NRCS), and the U.S. Fish & Wildlife Service, while private funders such as the National Fish and Wildlife Foundation (NFWF) and family and community foundations support nonprofit-led efforts. Eligible applicants typically include nonprofits, tribes, schools, and state and local governments.
Office of Grants Management: Competitive Grant Opportunities The Department of Administration posts opportunities for competitive grants throughout each fiscal year. These competitive grants are…
Ohio Department of Development Renewable Energy and Grid Resilience Program Status: Active - Applications being accepted Geographic Scope: Ohio Overview: Grants are available for projects that will…
Ohio Forest Legacy Program Grant Status: ACTIVE Funder: Ohio Department of Natural Resources Last Updated: April 24, 2025 Summary The Ohio Forest Legacy Program aims to protect vital forests from…
Oil Spill Response Equipment Grant The objective of the Local Oil Spill Response Equipment Grant Program is to award grants to Native American tribal governments, counties, cities, and special…
Okanogan Valley Fund Grant Status: ACTIVE Funder: Community Foundation of North Central Washington Amount: More than US $2,000 Last Updated: September 26, 2025 Summary The Okanogan Valley Fund Grant,…
Oklahoma- Urban and Community Forestry Grants Status: ACTIVE Funder: Oklahoma Department of Agriculture, Food and Forestry Amount: US $5,000 - US $50,000 Last Updated: October 09, 2025 Summary The…
Oleson Foundation Grant Status: ACTIVE Funder: Oleson Foundation Last Updated: February 13, 2026 Summary The Oleson Foundation Grant, established in 1962 by Gerald and Frances Oleson, aims to support…
Olga Sipolin Children's Fund Grant Status: ACTIVE Funder: Olga Sipolin Childrens Fund 0006350310 Last Updated: March 04, 2026 Summary The Olga Sipolin Children's Fund Grant, managed by Bank of…
Olive Tree Foundation Grant Program Status: ACTIVE Funder: The Olive Tree Foundation Amount: US $5,000 Last Updated: September 01, 2024 Summary The Olive Tree Foundation Grant Program supports…
Olson Foundation Grant Status: ACTIVE Funder: Leland J And Dorothy H Olson Charitable Foundation Amount: US $10,000 - US $75,000 Last Updated: January 22, 2026 Summary The Leland J. and Dorothy H.…
OLTA: Greenlands Conservation Partnership Program Grant Status: ACTIVE Funder: Ontario Land Trust Alliance Amount: C $5,000 - C $500,000 Last Updated: January 09, 2026 Summary The OLTA: Greenlands…
ONEOK Foundation Community Investments Grants Status: ACTIVE Funder: ONEOK Foundation Last Updated: April 02, 2026 Summary The ONEOK Foundation Community Investments Grants support organizations that…
Ontario Community Environment Fund Grant Status: ACTIVE Funder: Ontario Ministry of the Environment, Conservation and Parks Amount: More than US $5,000 Last Updated: August 16, 2025 Summary The…
Opalene Climate Capital Overview: Opalene Climate Capital is a unique, impact-oriented venture capital fund launched by VertueLab that doubles private investment with state-matched dollars to…
Overview Our Mission Tahoe Truckee Community Foundation connects people and opportunities, generating resources to build a more caring, creative, and effective community. Our Process TTCF utilizes a…
Open Spaces Protection Grant Status: ACTIVE Funder: Iowa Department of Natural Resources Last Updated: October 06, 2025 Summary The Open Spaces Protection program, part of Iowa's Resource Enhancement…
OR Feasibility Study Grants Status: ACTIVE Funder: Oregon Water Resources Department Amount: Up to US $500,000 Last Updated: March 31, 2026 Summary The OR Feasibility Study Grants program, managed by…
OR Forest Stewardship Program Grant Status: ACTIVE Funder: Oregon Department of Forestry (ODF) Last Updated: March 12, 2026 Summary The OR Forest Stewardship Program aims to support landowners in…
Oregon Conservation & Recreation Fund Grant Status: ACTIVE Funder: Oregon Department Of Fish And Wildlife Amount: Up to US $25,000 Last Updated: November 21, 2025 Summary The Oregon Conservation &…
Oregon Natural Resource Policy Fellowship Grant Status: ACTIVE Funder: Oregon Sea Grant Amount: Up to US $42,000 Last Updated: September 25, 2025 Summary The Oregon Natural Resource Policy Fellowship…
Funding spans pollution prevention, climate and energy, conservation, water quality, environmental justice, and education. Federal agencies like the EPA and USDA run competitive grant programs, and many flow through intermediaries such as the National Fish and Wildlife Foundation. Most programs fund specific project work rather than general operating costs, so it helps to match your project to a program's stated priorities.
Federal agencies including the EPA, USDA/NRCS, the U.S. Fish & Wildlife Service, NOAA, and the U.S. Forest Service are core public funders. On the private side, the National Fish and Wildlife Foundation is one of the largest conservation grantmakers, and national, regional, and community foundations also support environmental causes. State environmental agencies frequently re-grant federal dollars as well.
Start by defining your project scope, geography, and the population or ecosystem you serve, then search federal opportunities on Grants.gov alongside foundation databases. Read each funder's eligibility and priority areas closely before applying, since environmental programs are often narrowly targeted. Aligning your proposal to a funder's specific goals is usually more effective than applying broadly.