Carbon Cycle Institute is a 501(c)(3) organization based in Petaluma, California, registered in 2015, with $1,062,785 in FY2023 revenue. CharityIndex grades it C+.
Revenue (FY2023)
$1.1M
▲ 2.5% vs prior year
Science & Tech median: $288K
Expenses (FY2023)
$1.3M
Net assets
$498K
Employees
—
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for Carbon Cycle Institute— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Carbon Cycle Institute: 5 mo reserves · -21% margin earns a C+ on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for Carbon Cycle Institute— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Carbon Cycle Institute: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Revenue grew from $586K (FY2013) to $1.1M (FY2023) across 9 reported years.
Financial snapshot
Operating margin
-21.3%
Spent more than it raised in the latest fiscal year.
Total assets
$892K
Total liabilities
$394K
Net assets
$498K
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2023 | $1,062,785▲2.5% | $1,289,112▲29.8% | $498,169▼31.2% | $892,410▲23.2% | 990 |
| 2022 | $1,036,547▲18.1% | $992,829▲40.8% | $724,496▲6.4% | $724,496▲6.4% | 990 |
| 2021 | $877,629▲7.3% | $705,010▼6.1% | $680,778▲34.0% | $680,778▲33.3% | 990 |
| 2020 | $818,137▲18.7% | $750,666▲0.2% | $508,159▲15.3% | $510,659▼3.1% | 990 |
| 2019 | $689,252▲46.5% | $749,387▲96.1% | $440,688▲117% | $526,891▲131% | 990 |
| 2016 | $470,625▲19.1% | $382,196▼6.6% | $203,532▲76.8% | $228,330▲59.2% | 990 |
| 2015 | $395,100▼31.3% | $409,072▼24.3% | $115,103▼10.8% | $143,468▼4.5% | 990 |
| 2014 | $574,789▼1.9% | $540,283▲10.0% | $129,075▲36.5% | $150,298▲57.3% | 990 |
| 2013 | $585,829 | $491,260 | $94,569 | $95,569 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
26 grants to Carbon Cycle Institute totaling $1.2M, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Maine Community Foundation Inc | Science & technology | 2024 | $85,000 |
| Maine Community Foundation Inc | Science & technology | 2023 | $75,000 |
| Boston Foundation Inc | Operating support/annual fund | 2023 | $20,000 |
| Boston Foundation Inc | Operating support/annual fund | 2022 | $20,000 |
| Silicon Valley Community Foundation | Sciences | 2021 | $50,000 |
| Maine Community Foundation Inc | Science & technology | 2021 | $35,000 |
| Boston Foundation Inc | Operating support/annual fund | 2021 | $18,815 |
| Vanguard Charitable Endowment Program | For recipient's exempt purpose | 2020 | $50,000 |
| Boston Foundation Inc | Operating support/annual fund | 2020 | $18,000 |
| Leonard & Beryl Buck Foundation | Support a pilot project that reduces carbon emissions | 2019 | $250,000 |
| California Community Foundation | Environment | 2019 | $100,000 |
| Rewild | Research conservation | 2019 | $37,500 |
| Rsf Social Finance Inc | For general operating support | 2019 | $20,000 |
| Boston Foundation Inc | Operating support/annual fund | 2019 | $15,000 |
| Rsf Social Finance Inc | For general operating support | 2018 | $15,000 |
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Data for Carbon Cycle Institute (EIN 46-2694752) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.