Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in May 2013.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Who runs it and what they're paid
4 people listed on the 990.
Jeff Sharpe’s $44K as Executive Director is at the 81st percentile of top reported officer pay among 135 <$100K environment nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 1 named individual · Part VII
| Name | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|
| Jeff Sharpe | $44,100 | $75,000 | $75,000 | $28,542 |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Programs and updates
Offers environmental sustainability education through workshops and courses worldwide.
Questions for Sustainable Learning INC
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Under the name of sustainable summer, the organization operates summer education programs with a focus on environmental issues such as agriculture and energy.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest Viewing | $0 | $171 | −$171 | −$52K | 990 PDF |
| FY2024 | $405K | $445K | −$40K | −$52K | 990 PDF |
| FY2023 | $361K | $443K | −$81K | −$12K | 990 PDF |
| FY2022 | $438K | $362K | $76K | $70K | 990 PDF |
| FY2021 | $117K | $107K | $10K | −$6K | 990 PDF |
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Schedules filed Part IV
Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File
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