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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 86-0902777

CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE

Tax-exempt · TEMPE, AZ 85282

Address and contacts

Address (IRS master file)
916 E LOMA VISTA DR, TEMPE, AZ 85282-2421
Mailing address (990-N for 2025)
916 E Loma Vista Dr, Tempe AZ 85282
Principal officer (990-N for 2025)
Truman Idso, 916 E Loma Vista Dr, Tempe AZ 85282

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
86-0902777
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1998
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E20)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Truman Idso
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Truman Idso
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Craig Idso
December 31, 2023≤ $50,000 receipts––e-Postcard
990December 2022$14,112$32,945$7,173IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 86-0902777).

Questions about CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE

What is the EIN of CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE?
The employer identification number (EIN) of CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE is 86-0902777.
Is CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
Are donations to CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL CHANGE?
The 990-N for 2025 names Truman Idso.

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