Environment Grants in Delaware

52 foundations fund environment programs in Delaware. See who they are, what they give, and how to reach them.

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These foundations have a track record of funding environment work in Delaware, based on IRS 990 grant data. Use the list below to find funders aligned with your mission, then sign up free to see how well your nonprofit fits each one.

Open Grant Opportunities

Live programs funding environment in Delaware that your nonprofit can apply to now.

Open nowCloses in 3 days (Sep 30, 2026)

Ibis Charities Foundation Grant Program

From Ibis Charities Foundation

EducationFamily and social servicesArt and culture+2 more

Who can apply: Applicants must be 501(c)(3) charities serving Palm Beach County residents, in good standing with the IRS, current with the Florida Secretary of State, and have filed a solicitation statement with the Florida Department of Agriculture and Consumer Services. Audited financial statements are required. Charities located outside Palm Beach County, individuals, private foundations, religious or politically affiliated organizations, debt reduction or operating deficits, capital projects, and bridge funding are not eligible. National organizations must apply through a local chapter with a local board of directors and a project or program benefiting Palm Beach County residents.

Open nowCloses in 3 days (Sep 30, 2026)Award: Up to $375K

Research Project (RP) Grants

From Brady Education Foundation

Developmental researchEducational researchChildren’s academic, achievement, cognitive, and learning outcomes+4 more

Who can apply: Principal Investigators must be researchers at a public or nonprofit private university or college, or at a large nonprofit research organization with a strong history of high-quality, impactful research. Funding must be through the PI’s home institution. Grants are awarded only to nonprofit organizations, including sponsoring institutions and subcontractors. Projects must be located within the United States and may last no more than three years. Proposals may not include funding for scholarships, capital expenses, program scale-up, or continuing education, except appropriately justified GRA tuition. At least one PI- or co-PI-level team member is expected to represent populations included in the study sample.

Open nowCloses in 18 days (Oct 15, 2026)

General Grant Program (Spring & Fall Cycles)

From Welfare Foundation

Social servicesHousingHealth and hospitals+7 more

Who can apply: Applicants must be 501(c)(3) organizations serving the Foundation's geographic focus area and must not discriminate on prohibited bases. Funding may not benefit political activities, advocacy or lobbying, religious institutions, fundraising events, individual needs such as scholarships or sponsorships, pass-through grants, individual or group travel, or other activities deemed inappropriate. The Foundation generally does not provide routine funding; previous grantees must wait at least three years before submitting another request, except that emergency needs may be discussed with staff.

Open nowRolling / open intake

Georgia-Pacific Community Grants

From Georgia-Pacific Foundation

EducationSTEMLiteracy+12 more

Who can apply: Organizations working in the funder’s stated pillars may apply; the site references nonprofits, public schools, fire departments, and other community partners. Additional eligibility details are not visible in the provided content.

Open nowRolling / open intakeAward: Varies

Colcom Foundation Grantmaking Program

From Colcom Foundation

Carrying capacity and population-environment issuesSpecies and biodiversity conservationLand conservation+3 more

Who can apply: Projects must align with Colcom Foundation's funding interests. Organizations submitting a new project that has not previously been funded by the Foundation must first submit a Letter of Inquiry. Full applications require the most recent Form 990, audited financial statements or equivalent, an itemized project budget, and the Foundation's KPI table. National carrying capacity LOIs may be submitted by email.

Open nowCloses Dec 1, 2026Award: $5K – $745K

Environment Program

From Joyce Foundation

Climate solutionsCarbon-free electricityEnergy efficiency+10 more

Who can apply: Supports policy research, development, coalition building, communications, advocacy, implementation, enforcement, and evaluation aligned with the Climate Solutions or Great Lakes & Drinking Water strategies. Prioritizes Illinois, Michigan, Minnesota, Ohio, and Wisconsin work; new applicants in Great Lakes and Drinking Water are particularly prioritized when led by people of color. Physical infrastructure, environmental education, local cleanup, basic scientific research, and general operating support for environmental justice organizations are generally not funded.

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Deadlines and program details come from public sources and can change. Always confirm on the funder's official site before applying.

Largest Environment in Delaware Foundations

NEW VENTURE FUND

WASHINGTON, DC

Annual Giving

$359.6M

Total Assets

$624.9M

Median Grant

$120K

C05National
SIXTEEN THIRTY FUND

WASHINGTON, DC

Annual Giving

$236.4M

Total Assets

$106.5M

Median Grant

$100K

C60National
Climate Imperative Foundation

San Francisco, CA

Annual Giving

$161.5M

Total Assets

$109.6M

Median Grant

$426K

C12National
WINDWARD FUND

WASHINGTON, DC

Annual Giving

$137.7M

Total Assets

$432.7M

Median Grant

$100K

C30National
NATIONAL PARK FOUNDATION

WASHINGTON, DC

Annual Giving

$81.9M

Total Assets

$560.6M

Median Grant

$50K

C12National
THE NATURE CONSERVANCY

ARLINGTON, VA

Annual Giving

$67.8M

Total Assets

$10.1B

Median Grant

$25K

C32National
THE CONSERVATION FUND A NONPROFIT CORPORATION

ARLINGTON, VA

Annual Giving

$52.4M

Total Assets

$919.4M

Median Grant

$20K

C300Regional
CATALYST4 INC

PALO ALTO, CA

Annual Giving

$43M

Total Assets

$1.1B

Median Grant

$4M

C01Regional
CHESAPEAKE BAY TRUST

ANNAPOLIS, MD

Annual Giving

$21.5M

Total Assets

$52.2M

Median Grant

$18.7M

C30Regional
ENERGY ACTION FUND

SAN FRANCISCO, CA

Annual Giving

$20M

Total Assets

$29.3M

Median Grant

$50K

C35National
NATIONAL NETWORK OF ABORTION FUNDS INC

BEAVERTON, OR

Annual Giving

$18.3M

Total Assets

$44.8M

Median Grant

$59K

C99ZNational
NATIONAL ASSOCIATION OF CONSERVATION DISTRICTS

WASHINGTON, DC

Annual Giving

$17.7M

Total Assets

$7.3M

Median Grant

$40K

C030National
THE RECYCLING PARTNERSHIP INC

WASHINGTON, DC

Annual Giving

$15.5M

Total Assets

$46.1M

Median Grant

$81K

C27National
CLEAN AND PROSPEROUS AMERICA

TUMWATER, WA

Annual Giving

$15M

Total Assets

$38K

Median Grant

$25K

C35National
SUSTAINABLE MARKETS FOUNDATION

NEW YORK, NY

Annual Giving

$13.2M

Total Assets

$51.2M

Median Grant

$25K

C30National
PATAGONIAORG

VENTURA, CA

Annual Giving

$13.2M

Total Assets

—

Median Grant

$15K

C19National
DEPLOYUS INC

BOSTON, MA

Annual Giving

$12.3M

Total Assets

$5.3M

Median Grant

$105K

C35National
AMERICAN RIVERS INC

WASHINGTON, DC

Annual Giving

$11.6M

Total Assets

$40.1M

Median Grant

$21K

C013National
NATIONAL ARBOR DAY FOUNDATION

LINCOLN, NE

Annual Giving

$11.6M

Total Assets

$136.3M

Median Grant

$38K

C500National
NATIONAL AUDUBON SOCIETY INC

NEW YORK, NY

Annual Giving

$7.5M

Total Assets

$641.3M

Median Grant

$12K

C300National
SOCIAL & ENVIRONMENTAL ENTREPRENEURS (SEE) INC

CALABASAS, CA

Annual Giving

$6.9M

Total Assets

$103.2M

Median Grant

$43K

C05National
Climate Justice Alliance

Berkeley, CA

Annual Giving

$5.8M

Total Assets

$4.1M

Median Grant

$40K

C99National
SUSTAINABLE ENERGY UTILITY INC

DOVER, DE

Annual Giving

$5.7M

Total Assets

$162.6M

Median Grant

$73K

C35Regional
NATIONAL MARINE SANCTUARY FOUNDATION

SILVER SPRING, MD

Annual Giving

$5.6M

Total Assets

$15.5M

Median Grant

$26K

C113National
NATURAL RESOURCES DEFENSE COUNCIL INC

NEW YORK, NY

Annual Giving

$5.3M

Total Assets

$657.2M

Median Grant

$20K

C300National

Environment grants by state

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