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-EZ.
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 · 990-EZ Part IV
| Name | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|
| Jeff Sharpe | $44,100 | $75,000 | $75,000 | $28,542 |
Total reportable compensation (Form 990-EZ Part IV column (c) / 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.
See Sustainable Learning INC executive salaries →Programs and updates
Offers environmental sustainability education through workshops and courses worldwide.
Questions for Sustainable Learning INC
Your first name shows with your question. Sustainable Learning INC answers here, for everyone.
Under the name of Sustainable summer, the organization operates summer education programs with a focus on environmental issues such as agriculture and energy.
Form 990-EZ Part III, lines 28–30, FY2023. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 46-1255696) · Dispute this lineFunders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990-EZ, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest ViewingFiled with the IRS Jun 15, 2026 | $0 | $171 | −$171 | −$52K | 990 PDF |
| FY2024Filed with the IRS Aug 12, 2025 | $405K | $445K | −$40K | −$52K | 990 PDF |
| FY2023Filed with the IRS Aug 19, 2024 | $361K | $443K | −$81K | −$12K | 990 PDF |
| FY2022Filed with the IRS Aug 1, 2023 | $438K | $362K | $76K | $70K | 990 PDF |
| FY2021Filed with the IRS Jul 20, 2022 | $117K | $107K | $10K | −$6K | 990 PDF |
Schedules filed Part IV
Form 990 e-file FY2025 from the IRS (about our sources) · Classification, formation year and address from the IRS Business Master File
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