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Carbon Cycle Institute

The Carbon Cycle Institute's mission is to stop and reverse global warming by advancing natural, science-based solutions that remove atmospheric carbon while promoting environmental stewardship, social equity and …

Science & Technology Petaluma, CA EIN: 462694752 (IRS) Sign up to see website
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77
Integrity Assessment
Strong transparency
77/100 · methodology

About Carbon Cycle Institute

Addressing the Climate Emergency

Founded
Headquarters
Petaluma, CA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
U99
IRS subsection
501(c)(03)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2015

Mission

The Carbon Cycle Institute's mission is to stop and reverse global warming by advancing natural, science-based solutions that remove atmospheric carbon while promoting environmental stewardship, social equity and economic sustainability.

Focus areas & reach

· What they work on and where
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 8 similar science & technology in United States
Program spending This charity: 88%
Peer average: 81%
CEO comp as % of revenue This charity: 9.86%
Peer average: 0.48%
Integrity Assessment This charity: 77
Peer average: 90

Concerns

· 1 red flag
High Executive Pay
Top executive compensation is 14.0% of total expenses ($104,750 of $750,666).

Where every $1 goes

· FY2024 · IRS 990 (FY2024)
$0.88
Program$0.88
88% to programs beats the peer average (81%) and beats the Charity Navigator "highly efficient" threshold (75%).

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

GiveRadar's verified records show Carbon Cycle Institute with a complete profile, cross-referenced across 4 independent sources including the IRS.

  • GiveRadar holds a more complete profile for this organization than for 87% of the 7,611 science & technology charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
  • GiveRadar has cross-referenced this organization across 4 independent sources, led by the IRS - more than 83% of comparable organizations. See the sources
  • It has more complete contact information than nearly all comparable organizations, with a verified website, email, phone and address on record. See national comparisons
GiveRadar has verified
  • government registration
  • financial records (5 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • a donation page
Not yet verified by GiveRadar
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Carbon Cycle Institute is a registered science & technology nonprofit based in Petaluma, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2013 and has been operating for 13 years. Its EIN is 462694752. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 77/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $1M in annual revenue. 13 officers and directors are publicly disclosed. GiveRadar has identified 1 potential concern.

Carbon Cycle Institute's EIN (Employer Identification Number) is 462694752. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Carbon Cycle Institute has a GiveRadar Integrity Assessment of 77/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 77 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 88% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.

Carbon Cycle Institute is located in Petaluma, CA, United States. The organization was established in 2013 and has been active for 13 years. Its registered address is 245 Kentucky St, United States.

Based on official tax filings, Carbon Cycle Institute has $1M in annual revenue. It allocates 88% of expenses to programs and services. This is above the average of 81% for science & technology charities in United States. Its revenue is below the peer average of $15M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Carbon Cycle Institute is classified as a Science & Technology organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a medium organization. It has $1M in annual revenue. The organization has 13 disclosed officers and directors.

GiveRadar has identified 1 potential concern for Carbon Cycle Institute. Red flags are automatically detected from official data and may include high executive compensation relative to budget, low program spending, or missing financial filings. Red flags do not necessarily mean wrongdoing but indicate areas that may warrant further review before donating.

According to GiveRadar's records, Carbon Cycle Institute holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 88% of expenses go to programs (the peer average is 81%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Among science & technology charities registered in United States: It allocates 88% of expenses to programs, above the peer average of 81%. Its annual revenue of $1M is below the peer average of $15M.

Yes, donations to Carbon Cycle Institute are generally tax-deductible in the United States. Carbon Cycle Institute is a 501(c)(3) tax-exempt organization. Its EIN is 462694752, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$1M-$10M
88% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Staff & volunteers

From filings and published profiles

Employees
8

Leadership

From FY2024 filing

TO
Torri E••••••
Executive Director

Officers & trustees (5)

Source: Public filings

See full names, roles, and stories

5 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

4 articles found

From news sources and the organization. Shown for transparency; news never affects the integrity score.

Activity timeline

Filings and press mentions, merged

Form filed
$1.1M revenue
FY2024
IRS 990
Carbon farming – challenges and opportunities - Vajiram & Ravi
May 2024
vajiramandravi.com
Form filed
$1.0M revenue
FY2023
IRS 990
Form filed
$0.9M revenue
FY2022
IRS 990
Form filed
$0.8M revenue
FY2021
IRS 990
New Plants for Carbon Farming - seedworld.com
Jun 2021
www.seedworld.com
Form filed
$0.7M revenue
FY2020
IRS 990
Farming For Carbon | UC Cooperative Extension, Ventura County - UC Agriculture and Natural Resources
Apr 2019
ucanr.edu
What’s a Carbon Farmer? How California Ranchers Use Dirt to Tackle Climate Change - YES! Magazine
Apr 2016
www.yesmagazine.org

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Science & Technology this charity 7,612
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 13 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
100%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2024 on record
  • Named leadership · 13 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 2013
Not available · 1
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Carbon Cycle Institute

What is Carbon Cycle Institute?
Carbon Cycle Institute is a science & technology publicly-supported charity (509(a)(2)) based in Petaluma, United States. Addressing the Climate Emergency
When was Carbon Cycle Institute founded?
Carbon Cycle Institute was founded in 2013.
Who leads Carbon Cycle Institute?
Torri Estrada serves as Executive Director.
Where is Carbon Cycle Institute located?
Headquartered in Petaluma, CA, United States.
What is Carbon Cycle Institute's annual budget?
Annual revenue for fiscal year 2024 is approximately $1M-$10M. 88% of expenses go to program services.
Is Carbon Cycle Institute trustworthy?
Carbon Cycle Institute has a GiveRadar Integrity Assessment of 77 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Carbon Cycle Institute's registration number?
IRS EIN: 462694752.
What is Carbon Cycle Institute's website?
http://www.carboncycle.org/