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For work on Long Island, we accept proposals from nonprofits through our competitive grants proposal process. If you have not done so, please look at our website to find out more about what we do (and don’t) fund as well as review the application timelines and checklist. If you are ready to submit your proposal, click the apply link below.

Download Instructions - Long Island Apply - Long Island

For work in New York City, we accept proposals from nonprofits anytime through our ongoing competitive grants proposal process. If you have not done so, please look at our website to find out more about what we do (and don’t) fund as well as review the application checklist. If you are ready to submit your proposal, click the apply link below. 

Groups seeking renewal grants for projects already supported by The Trust's National and International Environment Program may also apply using this link (If your application is for a new project, please click here to learn more about our National and International Environment Program).

Download Instructions - New York City Apply - New York City

For work in Westchester, we accept proposals from nonprofits anytime through our ongoing competitive grants proposal process and make funding decisions three times a year. If you have not done so, please look at our website to find out more about what we do (and don’t) fund as well as review the application instructions. If you are ready to submit your proposal, click the apply link below.

Download Instructions - Westchester Apply - Westchester

Additional Funding Opportunities

(Invitation Only) Heisman Foundation Fund for Youth Development 2026 Renewal Apply until June 19, 2026 05:00 PM EST Download Instructions Apply
Heiser Fund for Leprosy Research-2026 Apply until July 30, 2026 05:00 PM EST Download Instructions Apply
Heisman Foundation Youth Development Fund 2026 Apply until June 19, 2026 05:00 PM EST Download Instructions Apply
Long Island Unity Fund (Invitation only) Apply until June 26, 2026 11:59 PM EST Download Instructions Apply
Request for Proposals to Address Youth Mental Health and Digital Overuse Apply until July 16, 2026 04:00 PM EST Download Instructions Apply