Environment Grants in Illinois

187 foundations fund environment programs in Illinois. 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 Illinois, 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 Illinois that your nonprofit can apply to now.

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 in 23 days (Sep 4, 2026)Award: $5K – $25K

Community Impact Grant Program (Seed • Sustain • Strengthen)

From Dupage Community Foundation

health and human servicesyouth educationworkforce development+2 more

Who can apply: 501(c)(3) nonprofit organizations that primarily serve DuPage County residents; includes organizations serving at least 50% DuPage County residents, those providing services in facilities located in DuPage County, or those with demonstrated DuPage-focused outcomes.

Open nowCloses in 26 days (Sep 7, 2026)Award: $5K – $15K

Youth Fund for Social Change

From Crossroads Fund

youth activismsocial justiceeducation+9 more

Who can apply: Youth age 30 and under with an existing project or concrete new idea; youth organizations with youth-led projects focused on social change; open to organizations, groups, and coalitions; organizations with budgets less than $1,000,000; project must be connected to a nonprofit organization with 501(c)(3) status, fiscal sponsor, or organizational bank account; cannot fund individuals.

Open nowCloses in 30 days (Sep 11, 2026)May not accept unsolicited proposalsAward: $10K – $40K

District of Columbia Regional Environment

From Curtis & Edith Munson Foundation

Watershed protectionWater qualityHabitat protection+4 more

Who can apply: No grants to individuals or endowment funds. Most grants are restricted and require a 1:1 match and board donor confirmation.

Open nowCloses in 30 days (Sep 11, 2026)May not accept unsolicited proposalsAward: $10K – $40K

Alabama Environment

From Curtis & Edith Munson Foundation

Water qualityRiver conservationForest land protection+4 more

Who can apply: No grants to individuals or endowment funds. Site-specific grants are limited to Alabama. Most grants are restricted and require a 1:1 match and board donor confirmation.

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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 Illinois 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
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
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
Breakthrough Energy Catalyst Foundation

KIRKLAND, WA

Annual Giving

$50M

Total Assets

$380.6M

Median Grant

$50M

C35Regional
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
Eagle Foundation

Omaha, NE

Annual Giving

$41.3M

Total Assets

$990.9M

Median Grant

$100K

C30National
MULTIPLIER

SAN FRANCISCO, CA

Annual Giving

$35.8M

Total Assets

$63.4M

Median Grant

$47K

C60National
THE MARISLA FOUNDATION

LAGUNA BEACH, CA

Annual Giving

$35.5M

Total Assets

$21.1M

Median Grant

$65K

C30National
BONNEVILLE ENVIRONMENTAL FOUNDATION

PORTLAND, OR

Annual Giving

$32.3M

Total Assets

$68.8M

Median Grant

$57K

C20Regional
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
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

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