Climate Adaptation Grants

As of October 2026, Grantoria lists 230 Climate Adaptation Grants — 20 open right now, across 71 funding agencies. Award amounts range $1K to $1,000M. The next application deadline is October 22, 2026. All listings are free, with direct links to the official application.

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230total grants
20open now
71agencies
$1K–$1,000Mfunding range
Oct 22next deadline
OPEN Hard to apply

WaterSMART: Desalination Construction Projects

Through WaterSMART, the Bureau of Reclamation (Reclamation) leverages Federal and non-Federal funding to work cooperatively with States, Tribes, and other entities as they plan for and…

🏛 Bureau of Reclamation 📋 CFDA 15.591 ⏰ Aug 26, 2027 💰 $1,000 – $120,000,000
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OPEN Hard to apply

WaterSMART Enhancing Water Resources Projects

The objective of the WaterSMART Enhancing Water Resources Projects funding opportunity is to invite eligible entities to apply for funding to implement projects per the authorizing…

🏛 Bureau of Reclamation 📋 CFDA 15.507 ⏰ Sep 8, 2027 💰 $50,000 – $3,000,000
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Frequently asked questions

How many climate adaptation grants are available?
Grantoria currently lists 230 climate adaptation grants, of which 20 are open for applications right now. The database is refreshed daily from official federal sources (Grants.gov and SAM.gov).
When is the next deadline?
The next application deadline is October 22, 2026 — about 2 days away. Deadlines vary by program; open any grant to see its exact closing date and application window.
Who is eligible for climate adaptation grants?
Eligibility is set by each funding program, but climate adaptation grants in this category most often support: Public Authority, Nonprofits, Tribal Nation and Small Business (SBA-defined). Check each grant's eligibility summary for the exact applicant types and requirements.
How much funding is available?
Award sizes range from $1K to $1,000M, depending on the program and applicant. Each grant shows its specific funding range where the agency has published one.
Is Grantoria free to use?
Yes — Grantoria is completely free. No account or subscription is required to browse climate adaptation grants, view deadlines and eligibility, or reach the official application.
How do I apply?
Open any grant to see its full profile — eligibility, required documents, deadlines and a direct link to the official application on the funding agency's website. You apply through the federal portal; Grantoria simply helps you find the right opportunity.

About Climate Adaptation grants

Climate adaptation grants support projects that help communities prepare for and respond to climate-related challenges, from water management to disaster resilience. 230 active grants are currently listed in this category, with top funding agencies including the Bureau of Reclamation, Geological Survey, and Department of Homeland Security-FEMA.

Typical awards range from $10,000 to $1.5 million, with most grants using competitive applications. State governments, tribal nations, and nonprofits are primary recipients, particularly those serving rural communities and tribal lands. Many grants fund research, capacity building, and capital projects. Note that nearly a quarter require cost-sharing, so use funding filters to identify grants matching your organization's resources.