Grants for Environmental Projects provide funding for organizations and programs in this focus area. Sources include federal agencies, state programs, and private foundations. Use the listings below to find current opportunities, eligibility requirements, and deadlines — and apply directly to the funder when you find a fit.
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 Space Conservation 2025 Round 1 Details - Agency: DEC01 - Event ID: OSCGP - Eligibility: Governmental Entity, Not-For-Profit, Tribal Organization
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…
Orphan Site Cleanup Fund The Orphan Site Cleanup Fund (OSCF) is a grant program providing financial assistance to eligible applicants for the cleanup of sites contaminated by leaking petroleum…
ORRAA Canadian-Funded Project Grants (First Wave) Funder: Government of Canada (CAD$9 million contribution announced at COP26 2021) Program Status: First wave of projects selected November 2022 at…
Orville T. Magoon Sustainable Coasts Award Purpose: Recognition of outstanding contributions to sustainable engineering practices in managing shorelines and coastal infrastructure through research,…
OSI: Land and Climate Catalyst Planning Grants Status: ACTIVE Funder: Open Space Institute Land Trust Inc. Amount: US $5,000 - US $15,000 Last Updated: September 12, 2025 Summary The OSI Land and…
Otter Tail Corporation Foundation Grant Program Status: ACTIVE Funder: Otter Tail Corporation Foundation Last Updated: July 24, 2025 Summary The Otter Tail Corporation Foundation Grant Program…