Environment Grants in Connecticut

115 foundations fund environment programs in Connecticut. 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 Connecticut, 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 Connecticut that your nonprofit can apply to now.

Open nowCloses in 19 days (Dec 1, 2026)Award: $50K – $100K

Indoor Air Award

From American Lung Association

Indoor air qualityHealthy indoor environmentsAir pollution interventions+1 more

Who can apply: Applicants must be authorized to work in the United States and employed by a U.S. not-for-profit institution. Applicants may submit only one application or LOI per review cycle.

Open nowCloses in 25 days (Dec 7, 2026)Award: Up to $30K

Research Prize

From Skidmore Owings & Merrill Foundation

AIbuilt environmenthuman agency+6 more

Who can apply: Open to faculty currently teaching at a professionally accredited bachelor's, master's, or PhD program in architecture, landscape architecture, interior architecture, urban design, or engineering in the United States. Research must be developed in an institutional studio or seminar, with interdisciplinary collaboration and student engagement. SOM Foundation affiliated members, SOM employees, and faculty from previously awarded proposals are ineligible.

Open nowCloses Feb 10, 2027Award: $2K – $483K

Implementation Grants

From Davis Educational Foundation

Undergraduate teaching and learningCurriculum developmentLearning environment+7 more

Who can apply: Applicants must be public or private not-for-profit, regionally accredited, baccalaureate degree-granting institutions located in one of the six New England states, or consortia of eligible institutions. Institutions on probation by their regional accrediting agency may be deemed ineligible. Endowments, scholarships, internships, and capital campaign requests are not eligible. The foundation generally funds one implementation grant per institution at a time. All submissions must be coordinated through the institution's development office.

Open nowCloses Feb 15, 2027Award: $25K – $125K

DEED Grants

From American Public Power Association

Energy efficiencyEnvironmentReliability+6 more

Who can apply: Applications are open to DEED member organizations. Public power utilities, joint action agencies, state and regional associations, and federal service contractors that are APPA members are eligible to join DEED.

Open nowCloses Feb 17, 2027Award: Varies

Americas Foundation Grant Program

From Americas Foundation

Animal welfareChild and family welfareFamilies of fallen law enforcement officers and military KIA+5 more

Who can apply: Applicants must be nonprofit organizations based in the United States that qualify for public charity status under Section 501(c)(3) of the Internal Revenue Code and address one or more of the Foundation’s stated funding interests. Applicants must submit the IRS determination letter, most recent Form 990, current and prior annual operating budgets, and required program or project budgets where applicable. Organizations that previously received funding must wait two years before submitting another request. The Foundation does not fund individuals, for-profit businesses, unqualified international organizations, private foundations, political lobbying, or indirect costs.

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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 Connecticut Foundations

NEW VENTURE FUND

WASHINGTON, DC

Annual Giving

$359.6M

Total Assets

$624.9M

Median Grant

$120K

C05National
THE TRUST FOR PUBLIC LAND

SAN FRANCISCO, CA

Annual Giving

$151.4M

Total Assets

$432.7M

Median Grant

$66K

C500National
WINDWARD FUND

WASHINGTON, DC

Annual Giving

$137.7M

Total Assets

$432.7M

Median Grant

$100K

C30National
NATIONAL PARK FOUNDATION

WASHINGTON, DC

Annual Giving

$82M

Total Assets

$579.1M

Median Grant

$50K

C12National
THE NATURE CONSERVANCY

ARLINGTON, VA

Annual Giving

$67.8M

Total Assets

$10.1B

Median Grant

$25K

C32National
LEAGUE OF CONSERVATION VOTERS EDUCATION FUND

WASHINGTON, DC

Annual Giving

$54.8M

Total Assets

$37.2M

Median Grant

$45K

C013National
RESOURCES LEGACY FUND

SACRAMENTO, CA

Annual Giving

$43.9M

Total Assets

$151.9M

Median Grant

$50K

C30Regional
MULTIPLIER

SAN FRANCISCO, CA

Annual Giving

$35.8M

Total Assets

$63.4M

Median Grant

$47K

C60National
NATIONAL NETWORK OF ABORTION FUNDS INC

BEAVERTON, OR

Annual Giving

$18.3M

Total Assets

$44.8M

Median Grant

$59K

C99ZNational
THE SUNRISE PROJECT INC

WILMINGTON, DE

Annual Giving

$17.3M

Total Assets

$14M

Median Grant

$200K

C60National
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

$812K

Median Grant

$25K

C35National
REALTY GIFT FUND

SANTA FE, NM

Annual Giving

$13.6M

Total Assets

$13.1M

Median Grant

$27K

C34National
PATAGONIAORG

VENTURA, CA

Annual Giving

$13.2M

Total Assets

—

Median Grant

$15K

C19National
NATIONAL ASSOCIATION OF CONSERVATION DISTRICTS

WASHINGTON, DC

Annual Giving

$11.9M

Total Assets

$4.5M

Median Grant

$40K

C030National
NATIONAL ARBOR DAY FOUNDATION

LINCOLN, NE

Annual Giving

$11.6M

Total Assets

$136.3M

Median Grant

$38K

C500National
SUSTAINABLE MARKETS FOUNDATION

NEW YORK, NY

Annual Giving

$11.5M

Total Assets

$59.1M

Median Grant

$25K

C30National
ENVIRONMENTAL DEFENSE FUND INCORPORATED

NEW YORK, NY

Annual Giving

$7.9M

Total Assets

$520.4M

Median Grant

$30K

C600National
ALEXANDER FOUNDATION INC C/O RUANE CUNNIFF & GOLDFARB INC

NEW YORK, NY

Annual Giving

$7.7M

Total Assets

$66.7M

Median Grant

$75K

C12National
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 JOBS NATIONAL RESOURCE CENTER INC

NEW YORK, NY

Annual Giving

$6.1M

Total Assets

$20.1M

Median Grant

$147K

C60Regional
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
LAND TRUST ALLIANCE INC

WASHINGTON, DC

Annual Giving

$5.3M

Total Assets

$24.7M

Median Grant

$20K

C033National

Environment grants by state

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