Environment Grants in Wisconsin

161 foundations fund environment programs in Wisconsin. 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 Wisconsin, 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 Wisconsin that your nonprofit can apply to now.

Open nowCloses in 3 days (Aug 15, 2026)Award: Up to $6K

Columbus Area Endowment (CAE) Grants

From Madison Community Foundation

Cultural enrichmentCommunity developmentEducation+2 more

Who can apply: Must be a nonprofit organization serving the Columbus and Fall River communities in parts of Dane, Columbia and Dodge Counties, and provide proof of 501(c)(3) status.

Open nowRolling / open intake

Corporate Charitable Contributions (Nielsen‑Massey Vanillas)

From Nielsen-Massey Foundation

educationat-risk children and youthmilitary and veterans+1 more

Who can apply: Open to accredited schools and 501(c)(3) nonprofit organizations serving the Chicagoland and Southeast Wisconsin regions. Requests must align with one of the four focus areas and meet the policy exclusions.

Open nowCloses in 20 days (Sep 1, 2026)Award: $5K – $15K

Safe Arborist Techniques Fund Grant Program

From Tree Research and Education Endowment Fund

arborist safetyworker safetytree care industry+1 more

Who can apply: Applicants must propose original research that improves safety for tree care workers and the public.

Open nowCloses Sep 15, 2026

Sustainable Environments Grants

From Cyrus Eaton Foundation

ConservationClimate change solutionsSustainability+3 more

Who can apply: Organizations must be 501(c)(3) nonprofits. Applicants may apply once per year; organizations receiving a grant must wait until the same cycle the following year. Required submission of a Required Information Sheet (RIS) including executive summary (up to 2 pages), 501(c)(3) determination, board and budget information, and optional supporting materials. Prior-year grantees must submit a Final Evaluation Form.

Open nowCloses Sep 15, 2026Award: Up to $2K

Winneconne Area Community Foundation Grants (affiliate)

From Oshkosh Area Community Foundation

arts and culturecommunity developmenteducation+3 more

Who can apply: Organizations must be public charities under IRS rules; organizations that are not public charities may apply through a fiscal sponsor.

Open nowRolling / open intakeAward: Varies

Media Program

From Park Foundation

independent mediajournalisminvestigative reporting+2 more

Who can apply: Competitive proposals should show groundbreaking content, broad distribution potential, and social impact; documentary support is very limited.

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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 Wisconsin 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
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

$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
PALLADIUM FOUNDATION

SALT LAKE CITY, UT

Annual Giving

$65.6M

Total Assets

$72.4M

Median Grant

$43K

C342Regional
LEAGUE OF CONSERVATION VOTERS EDUCATION FUND

WASHINGTON, DC

Annual Giving

$54.8M

Total Assets

$37.2M

Median Grant

$45K

C013National
THE CONSERVATION FUND A NONPROFIT CORPORATION

ARLINGTON, VA

Annual Giving

$52.4M

Total Assets

$919.4M

Median Grant

$20K

C300Regional
SIERRA CLUB FOUNDATION

OAKLAND, CA

Annual Giving

$44.4M

Total Assets

$191.6M

Median Grant

$73K

C300National
RESOURCES LEGACY FUND

SACRAMENTO, CA

Annual Giving

$43.9M

Total Assets

$151.9M

Median Grant

$50K

C30Regional
CLIMATE POWER

WASHINGTON, DC

Annual Giving

$39.3M

Total Assets

$1.4M

Median Grant

$30K

C20National
THE MARISLA FOUNDATION

LAGUNA BEACH, CA

Annual Giving

$35.5M

Total Assets

$21.1M

Median Grant

$65K

C30National
CONSERVATION INTERNATIONAL FOUNDATION

ARLINGTON, VA

Annual Giving

$31.7M

Total Assets

$703.6M

Median Grant

$80K

C30ZNational
Breakthrough Energy Action Inc

KIRKLAND, WA

Annual Giving

$29.5M

Total Assets

$24.5M

Median Grant

$508K

C01National
ENERGY ACTION FUND

SAN FRANCISCO, CA

Annual Giving

$20M

Total Assets

$29.3M

Median Grant

$50K

C35National
Clean Future Forum Inc

Washington, DC

Annual Giving

$18.8M

Total Assets

$20M

Median Grant

$400K

C30National
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
CLIMATE AND CLEAN ENERGY EQUITY FUND

WASHINGTON, DC

Annual Giving

$17.3M

Total Assets

$52.6M

Median Grant

C01National
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

$38K

Median Grant

$25K

C35National
REALTY GIFT FUND

SANTA FE, NM

Annual Giving

$13.6M

Total Assets

$13.1M

Median Grant

$27K

C34National
THE VOLGENAU FOUNDATION

MCLEAN, VA

Annual Giving

$13.4M

Total Assets

$166.2M

Median Grant

$100K

C34ZNational

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