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EIN 23-7010015

InterEnvironment Institute

IRS 501(c) type
501(c)(3)
Num. employees
Unknown
City
Claremont
State
California
Year formed
1972
Most recent tax filings
2023-12-01
NTEE code, primary
C60: Environmental Education
Description
Provided information on environmental protection in California and internationally by writing, editing, publishing, and distributing publications in print and on a Web site. Persons benefited: Experts, leaders, and students worldwide. Printed publications were used widely in public and academic libraries. Educational, Scientific, Literary.
Also known as...
California Institute of Public Affairs
Total revenues
n/a
Total expenses
n/a
Total assets
n/a
Num. employees
n/a

Personnel at InterEnvironment Institute

NameTitleCompensation
Thaddeus C TrzynaPresident
Lawrence W StewartTreasurer$0

Financials for InterEnvironment Institute

RevenuesFYE 12/2014
Total grants, contributions, etc.$21,721
Program services$0
Membership dues$0
Investment income and dividends$0
Net gain from sale of non-inventory assets$0
Net income from gaming activities and fundraising events, combined$0
Net income from sales of inventory$0
Miscellaneous revenues
Total revenues$21,721

Form 990s for InterEnvironment Institute

Fiscal year endingDate received by IRSFormPDF link
2023n/a990-N (e-Postcard)
2014-122015-12-10990EZView PDF
2013-122014-12-01990EZView PDF
2012-122014-01-16990EZView PDF
2011-122012-12-15990EZView PDF
...and 2 more Form 990s

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ClimableCambridge, MA$628,535
Deep South Center for Environmental Justice (DSCEJ)New Orleans, LA$8,666,382
The Telluride InstituteTelluride, CO$473,566
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Environment California Research and Policy CenterLos Angeles, CA$809,574
Turning GreenSausalito, CA$604,898
Data update history
April 1, 2024
Posted financials
Added Form 990N for fiscal year 2023
June 1, 2023
Posted financials
Added Form 990N for fiscal year 2022
March 1, 2022
Posted financials
Added Form 990N for fiscal year 2021
April 23, 2021
Posted financials
Added Form 990N for fiscal year 2020
March 3, 2020
Updated personnel
Identified 2 new personnel
Nonprofit Types
Social advocacy organizationsEnvironmental organizationsCharities
Issues
EducationEnvironmentPublic policy
Characteristics
Partially liquidatedState / local levelTax deductible donationse-Postcard filer
General information
Address
PO Box 99
Claremont, CA 91711
Metro area
Los Angeles-Long Beach-Anaheim, CA
County
Los Angeles County, CA
Website URL
interenvironment.org/ 
Phone
(916) 832-4292
IRS details
EIN
23-7010015
Fiscal year end
December
Taxreturn type
Form 990-N / Postcard
Year formed
1972
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
C60: Environmental Education
NAICS code, primary
813319: Social Advocacy Organizations
Parent/child status
Independent
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