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Photo Credit: Brett Cole

Upcoming Grants

Appalachian Landscapes Protection Fund

Please note that OSI is not accepting ALPF applications at this time. We will release the next Request for Proposals in November 2021. Please sign up here to receive notification for the RFP and other ALPF updates.

Learn more about the fund.

Climate Catalyst Program

Please note that OSI and Land Trust Alliance are no longer accepting Letters of Interest for the 2021 Land and Climate Grant Program. Applicants invited to submit a full proposal to OSI's Land and Climate Catalyst Planning Program have until September 15, 2021 to submit their application through OSI’s online grant portal.

Please sign up here to receive notification about future requests for proposals and updates on OSI’s Climate Catalyst program.

Delaware Watershed Protection Fund

Please note that OSI is not accepting Delaware River Watershed Protection Fund applications at this time. We will release the next Request for Proposals in November 2021.

Please sign up here to receive notification for the RFP and other Delaware River Watershed updates.

Learn more


Sweet Water Trust Grants

Sweet Water Trust grants support land conservation that safeguards wild lands and waters, native wild flora and fauna, and living soils in Northern New York and New England and in Southern Canada. To date Sweet Water Trust has had a part in conserving over 300,000 acres of land in the Northern Appalachians as forever wild. The Open Space Institute reviews and administers Sweet Water Trust grants on a contract basis. Grants applications are by invitation only reviewed against the following threshold criteria
Learn more

What You Can Do

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