THORNE ECOLOGICAL INSTITUTE
AI Summary
THORNE ECOLOGICAL INSTITUTE is an environmental education nonprofit focused on building earth stewardship by connecting youth to nature through joyful, hands-on, place-based learning experiences. In filing year 2025, it reported an operating budget of $3.3M and total revenue of $2.7M, with top funders including BOBOLINK FOUNDATION ($750K, 2022), JACQUES M LITTLEFIELD FOUNDATION ($655K, 2023), and COMMUNITY FOUNDATION BOULDER COUNTY ($615.8K, 2024).
Mission Statement
THORNE'S MISSION IS TO BUILD EARTH STEWARDSHIP BY CONNECTING YOUTH TO NATURE THROUGH JOYFUL, HANDS-ON, PLACE-BASED ENVIRONMENTAL EDUCATION EXPERIENCES.
Cause Areas
1
Environmental education
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Charity Verification Snapshot
IRS EO Business Master File Status
Listed as tax-exempt
IRS Pub 78 Status
Eligible for tax-deductible gifts
IRS Revocation Status
Not in Automatic Revocation of Exemption List
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- 69 funders
- 52 board & team members
- 11 historic 990s & financials
- 6-year operating budget trend
Frequently Asked Questions
What is THORNE ECOLOGICAL INSTITUTE’s budget?
In 2024, THORNE ECOLOGICAL INSTITUTE reported an annual operating budget of around $3.4 million. More detailed financial information is available to registered users.
What causes does THORNE ECOLOGICAL INSTITUTE support?
THORNE ECOLOGICAL INSTITUTE supports work in Environmental education.
Where does THORNE ECOLOGICAL INSTITUTE operate?
THORNE ECOLOGICAL INSTITUTE is headquartered in BOULDER, CO.
Who funded THORNE ECOLOGICAL INSTITUTE recently?
In 2025, THORNE ECOLOGICAL INSTITUTE received grants from TISBEST PHILANTHROPY, AMERICAN ONLINE GIVING FOUNDATION INC, and L & N ANDREAS FOUNDATION. More information on this organization’s funders is available to registered users.
What is the largest grant THORNE ECOLOGICAL INSTITUTE received in 2024?
The largest grant to THORNE ECOLOGICAL INSTITUTE in 2024 exceeds $210 thousand.
What is THORNE ECOLOGICAL INSTITUTE’s reliance on government grants?
THORNE ECOLOGICAL INSTITUTE relied on government grants for more than 25% of their total revenue in 2024.