STRATEGY STUDIO / NONPROFIT PEOPLE SEARCH

INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization
INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC (EIN 81-0616238)
Tax period
2024-07-01 to 2025-06-30
Filed
2026-03-10
IRS object ID
202610699349301131
Schema version
2024v5.5
Source
Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header ReturnHeader

FieldValueIRS element (for citing)
Return2026-03-10T19:27:15-05:00ReturnTs
Tax Period End2025-06-30TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

FieldValueIRS element (for citing)
Preparer Firm EIN521711839PreparerFirmEIN

Preparer Firm Name PreparerFirmName

FieldValueIRS element (for citing)
Business Name Line1COUNCILOR BUCHANAN & MITCHELL PCBusinessNameLine1Txt

Preparer US Address PreparerUSAddress

FieldValueIRS element (for citing)
Address Line17910 WOODMONT AVE STE 500AddressLine1Txt
CityBETHESDACityNm
State AbbreviationMDStateAbbreviationCd
ZIP20814ZIPCd
FieldValueIRS element (for citing)
Return Type990ReturnTypeCd
Tax Period Begin2024-07-01TaxPeriodBeginDt

Filer Filer

FieldValueIRS element (for citing)
EIN810616238EIN

Business Name BusinessName

FieldValueIRS element (for citing)
Business Name Line1INSTITUTE FOR GOVERNANCE AND SUSTAINABLEBusinessNameLine1Txt
Business Name Line2DEVELOPMENTBusinessNameLine2Txt
FieldValueIRS element (for citing)
Business Name ControlINSTBusinessNameControlTxt
Phone2023381300PhoneNum

US Address USAddress

FieldValueIRS element (for citing)
Address Line15800 MACARTHUR BLVD NWAddressLine1Txt
CityWASHINGTONCityNm
State AbbreviationDCStateAbbreviationCd
ZIP200162512ZIPCd

Business Officer BusinessOfficerGrp

FieldValueIRS element (for citing)
PersonDURWOOD ZAELKEPersonNm
Person TitlePRESIDENTPersonTitleTxt
Phone2023381300PhoneNum
Signature2026-03-06SignatureDt
Discuss With Paid PreparerYes (1)DiscussWithPaidPreparerInd
FieldValueIRS element (for citing)
IRS Responsible Prty Info CurrYes (1)IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

FieldValueIRS element (for citing)
Preparer PersonDANIEL L WEAVERPreparerPersonNm
PTINP01249346PTIN
Phone3019860600PhoneNum
Preparation2026-03-06PreparationDt
FieldValueIRS element (for citing)
Tax2024TaxYr
Build TS2025-03-06 01:10:19ZBuildTS

Form 990 IRS990

FieldValueIRS element (for citing)
Principal OfficerDURWOOD ZAELKEPrincipalOfficerNm

US Address USAddress

FieldValueIRS element (for citing)
Address Line15800 MACARTHUR BLVD NWAddressLine1Txt
CityWASHINGTONCityNm
State AbbreviationDCStateAbbreviationCd
ZIP200162512ZIPCd
FieldValueIRS element (for citing)
Gross Receipts$13,022,902GrossReceiptsAmt
Group Return For Affiliates0GroupReturnForAffiliatesInd
Organization501c3Yes (X)Organization501c3Ind
Website AddressWWW.IGSD.ORGWebsiteAddressTxt
Type Of Organization CorpYes (X)TypeOfOrganizationCorpInd
Formation2003FormationYr
Legal Domicile StateDCLegalDomicileStateCd
Activity Or MissionIGSD'S MISSION IS TO PROMOTE FAST CLIMATE MITIGATION TO SLOW NEAR-TERM WARMING AND SELF-PROPAGATING CLIMATE FEEDBACKS, AVOID OR AT LEAST DELAY CATASTROPHIC CLIMATE AND SOCIETAL TIPPING POINTS, AND LIMIT GLOBAL TEMPERATURES TO 1.5 COR AT LEAST KEEP THIS TEMPERATURE GUARDRAIL IN SIGHT AND LIMIT OVERSHOOT.ActivityOrMissionDesc
Voting Members Governing Body7VotingMembersGoverningBodyCnt
Voting Members Independent6VotingMembersIndependentCnt
Total Employee22TotalEmployeeCnt
Total Volunteers6TotalVolunteersCnt
Total Gross UBI$0TotalGrossUBIAmt
Net Unrelated Bus Txbl Incm$0NetUnrelatedBusTxblIncmAmt
PY Contributions Grants$12,005,496PYContributionsGrantsAmt
CY Contributions Grants$12,842,415CYContributionsGrantsAmt
PY Program Service Revenue$0PYProgramServiceRevenueAmt
CY Program Service Revenue$0CYProgramServiceRevenueAmt
PY Investment Income$179,331PYInvestmentIncomeAmt
CY Investment Income$180,487CYInvestmentIncomeAmt
PY Other Revenue$0PYOtherRevenueAmt
CY Other Revenue$0CYOtherRevenueAmt
PY Total Revenue$12,184,827PYTotalRevenueAmt
CY Total Revenue$13,022,902CYTotalRevenueAmt
PY Grants And Similar Paid$637,000PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid$609,735CYGrantsAndSimilarPaidAmt
PY Benefits Paid To Members$0PYBenefitsPaidToMembersAmt
CY Benefits Paid To Members$0CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid$3,383,441PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid$3,543,169CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns$0PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns$0CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense$0CYTotalFundraisingExpenseAmt
PY Other Expenses$4,456,190PYOtherExpensesAmt
CY Other Expenses$5,141,721CYOtherExpensesAmt
PY Total Expenses$8,476,631PYTotalExpensesAmt
CY Total Expenses$9,294,625CYTotalExpensesAmt
PY Revenues Less Expenses$3,708,196PYRevenuesLessExpensesAmt
CY Revenues Less Expenses$3,728,277CYRevenuesLessExpensesAmt
Total Assets BOY$12,013,948TotalAssetsBOYAmt
Total Assets EOY$15,668,160TotalAssetsEOYAmt
Total Liabilities BOY$1,234,799TotalLiabilitiesBOYAmt
Total Liabilities EOY$1,160,734TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY$10,779,149NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY$14,507,426NetAssetsOrFundBalancesEOYAmt
Info In Schedule O Part IIIYes (X)InfoInScheduleOPartIIIInd
MissionIGSD'S MISSION IS TO PROMOTE FAST CLIMATE MITIGATION TO SLOW NEAR-TERM WARMING AND SELF-PROPAGATING CLIMATE FEEDBACKS, AVOID OR AT LEAST DELAY CATASTROPHIC CLIMATE AND SOCIETAL TIPPING POINTS, AND LIMIT GLOBAL TEMPERATURES TO 1.5 COR AT LEAST KEEP THIS TEMPERATURE GUARDRAIL IN SIGHT AND LIMIT OVERSHOOT.MissionDesc
Significant New Program Srvc0SignificantNewProgramSrvcInd
Significant Change0SignificantChangeInd
Expense$7,779,486ExpenseAmt
Grant$609,735GrantAmt
Revenue$0RevenueAmt
DescSUSTAINABLE DEVELOPMENTTHE INSTITUTE WORK TO ENSURE FAST CUTS TO THE NON-CARBON DIOXIDE CLIMATE POLLUTANTS AND OTHER FAST CLIMATE MITIGATION STRATEGIES TO SLOW NEAR-TERM WARMING AND SELF-AMPLIFYING CLIMATE FEEDBACKS, AVOID OR AT LEAST DELAY CATASTROPHIC TIPPING POINTS, AND LIMIT GLOBAL TEMPERATURE RISE.Desc

Prog Srvc Accom Acty2 ProgSrvcAccomActy2Grp

FieldValueIRS element (for citing)
Expense$1,431,436ExpenseAmt
Grant$0GrantAmt
Revenue$0RevenueAmt
DescINTERNATIONAL CLIMATE LITIGATIONTHE FAST-ACTION CLIMATE MITIGATION CAMPAIGN - TO PROMOTE NON-CO2 STRATEGIES THAT WILL RESULT IN SIGNIFICANT EMISSIONS REDUCTIONS IN THE NEAR TERM AS WELL AS TO COMPLEMENT CUTS IN CO2 WHICH ARE ESSENTIAL IN THE LONG-TERM.Desc
FieldValueIRS element (for citing)
Total Program Service Expenses$9,210,922TotalProgramServiceExpensesAmt
Described In Section501c3Yes (1)DescribedInSection501c3Ind
Schedule B RequiredYes (1)ScheduleBRequiredInd
Political Campaign Acty0PoliticalCampaignActyInd
Lobbying ActivitiesYes (1)LobbyingActivitiesInd
Subject To Proxy Tax0SubjectToProxyTaxInd
Donor Advised Fund0DonorAdvisedFundInd
Conservation Easements0ConservationEasementsInd
Collections Of Art0CollectionsOfArtInd
Credit Counseling0CreditCounselingInd
Donor Rstr Or Quasi Endowments0DonorRstrOrQuasiEndowmentsInd
Report Land Building EquipmentYes (1)ReportLandBuildingEquipmentInd
Report Investments Other Sec0ReportInvestmentsOtherSecInd
Report Program Related Invst0ReportProgramRelatedInvstInd
Report Other Assets0ReportOtherAssetsInd
Report Other Liabilities0ReportOtherLiabilitiesInd
Include FIN48 FootnoteYes (1)IncludeFIN48FootnoteInd
Independent Audit Fincl StmtYes (1)IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt0ConsolidatedAuditFinclStmtInd
School Operating0SchoolOperatingInd
Foreign Office0ForeignOfficeInd
Foreign ActivitiesYes (1)ForeignActivitiesInd
More Than5000 K To OrgYes (1)MoreThan5000KToOrgInd
More Than5000 K To Individuals0MoreThan5000KToIndividualsInd
Professional Fundraising0ProfessionalFundraisingInd
Fundraising Activities0FundraisingActivitiesInd
Gaming Activities0GamingActivitiesInd
Operate Hospital0OperateHospitalInd
Grants To OrganizationsYes (1)GrantsToOrganizationsInd
Grants To Individuals0GrantsToIndividualsInd
Schedule J RequiredYes (1)ScheduleJRequiredInd
Tax Exempt Bonds0TaxExemptBondsInd
Engaged In Excess Benefit Trans0EngagedInExcessBenefitTransInd
PY Excess Benefit Trans0PYExcessBenefitTransInd
Loan Outstanding0LoanOutstandingInd
Grant To Related Person0GrantToRelatedPersonInd
Business Rln With Org Mem0BusinessRlnWithOrgMemInd
Business Rln With Fam Mem0BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent0BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri0DeductibleNonCashContriInd
Deductible Art Contribution0DeductibleArtContributionInd
Terminate Operations0TerminateOperationsInd
Partial Liquidation0PartialLiquidationInd
Disregarded Entity0DisregardedEntityInd
Related Entity0RelatedEntityInd
Related Organization Ctrl Ent0RelatedOrganizationCtrlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org0TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp0ActivitiesConductedPrtshpInd
Schedule O RequiredYes (1)ScheduleORequiredInd
IRP Document26IRPDocumentCnt
IRP Document W2 G0IRPDocumentW2GCnt
Backup Wthld ComplianceYes (1)BackupWthldComplianceInd
Employee22EmployeeCnt
Employment Tax Returns FiledYes (1)EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit0UnrelatedBusIncmOverLimitInd
Foreign Financial Account0ForeignFinancialAccountInd
Prohibited Tax Shelter Trans0ProhibitedTaxShelterTransInd
Taxable Party Notification0TaxablePartyNotificationInd
Nondeductible Contributions0NondeductibleContributionsInd
Quid Pro Quo Contributions0QuidProQuoContributionsInd
Form8282 Property Disposed Of0Form8282PropertyDisposedOfInd
Rcv Fnds To Pay Prsnl Bnft Cntrct0RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct0PayPremiumsPrsnlBnftCntrctInd
Indoor Tanning Services0IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt0SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc0SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VIYes (X)InfoInScheduleOPartVIInd
Governing Body Voting Members7GoverningBodyVotingMembersCnt
Independent Voting Member6IndependentVotingMemberCnt
Family Or Business Rln0FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties0DelegationOfMgmtDutiesInd
Change To Org Documents0ChangeToOrgDocumentsInd
Material Diversion Or Misuse0MaterialDiversionOrMisuseInd
Members Or Stockholders0MembersOrStockholdersInd
Election Of Board Members0ElectionOfBoardMembersInd
Decisions Subject To Approva0DecisionsSubjectToApprovaInd
Minutes Of Governing BodyYes (1)MinutesOfGoverningBodyInd
Minutes Of CommitteesYes (1)MinutesOfCommitteesInd
Officer Mailing Address0OfficerMailingAddressInd
Local Chapters0LocalChaptersInd
Form990 Provided To Gvrn BodyYes (1)Form990ProvidedToGvrnBodyInd
Conflict Of Interest PolicyYes (1)ConflictOfInterestPolicyInd
Annual Disclosure Covered PrsnYes (1)AnnualDisclosureCoveredPrsnInd
Regular Monitoring EnfrcYes (1)RegularMonitoringEnfrcInd
Whistleblower PolicyYes (1)WhistleblowerPolicyInd
Document Retention PolicyYes (1)DocumentRetentionPolicyInd
Compensation Process CEOYes (1)CompensationProcessCEOInd
Compensation Process OtherYes (1)CompensationProcessOtherInd
Investment In Joint Venture0InvestmentInJointVentureInd
States Where Copy Of Return Is FldDCStatesWhereCopyOfReturnIsFldCd
Upon RequestYes (X)UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Business Name BusinessName

FieldValueIRS element (for citing)
Business Name Line1THE ORGANIZATIONBusinessNameLine1Txt
FieldValueIRS element (for citing)
Phone2023381300PhoneNum

US Address USAddress

FieldValueIRS element (for citing)
Address Line15800 MACARTHUR BLVD NWAddressLine1Txt
CityWASHINGTONCityNm
State AbbreviationDCStateAbbreviationCd
ZIP200162512ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (13 entries)

TitleTitleTxtAverage Hours Per WeekAverageHoursPerWeekRtIndividual Trustee Or DirectorIndividualTrusteeOrDirectorIndOfficerOfficerIndReportable Comp From OrgReportableCompFromOrgAmtReportable Comp From Rltd OrgReportableCompFromRltdOrgAmtOther CompensationOtherCompensationAmtHighest Compensated EmployeeHighestCompensatedEmployeeInd
DURWOOD ZAELKE
PRESIDENT40.00Yes (X)Yes (X)$300,000$0$30,241
ORAN YOUNG
CHAIR2.00Yes (X)Yes (X)$0$0$0
VANCE HUGHES
VICE CHAIR2.00Yes (X)Yes (X)$0$0$0
RACHEL BIDERMAN
SECRETARY2.00Yes (X)Yes (X)$0$0$0
DONALD KANIARU
BOARD MEMBER2.00Yes (X)$0$0$0
SALLY SHELTON-COLBY
BOARD MEMBER2.00Yes (X)$0$0$0
LEWIS GORDON
BOARD MEMBER2.00Yes (X)$0$0$0
MELINDA SOFFER
DIRECTOR FINANCE & ADMINISTRATION40.00Yes (X)$176,667$0$43,716
ROMINA PICOLOTTI
SENIOR POLICY ADVISOR40.00$280,333$0$43,253Yes (X)
GABRIELLE DREYFUS
SENIOR SCIENTIST40.00$206,667$0$45,216Yes (X)
RICHARD FERRIS
SENIOR COUNSEL40.00$241,667$0$27,324Yes (X)
XIAOPU SUN
SENIOR CHINA COUNSEL40.00$204,667$0$10,233Yes (X)
ZERIN OSHO
DIRECTOR INDIA PROGRAM40.00$201,667$0$25,324Yes (X)
FieldValueIRS element (for citing)
Total Reportable Comp From Org$1,611,668TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org$0TotReportableCompRltdOrgAmt
Total Other Compensation$225,307TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K11IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed0FormerOfcrEmployeesListedInd
Total Comp Greater Than150 KYes (1)TotalCompGreaterThan150KInd
Compensation From Other Srcs0CompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (4 entries)

Address Line1ContractorAddress/USAddress/AddressLine1TxtCityContractorAddress/USAddress/CityNmState AbbreviationContractorAddress/USAddress/StateAbbreviationCdZIPContractorAddress/USAddress/ZIPCdServicesServicesDescCompensationCompensationAmtAddress Line1ContractorAddress/ForeignAddress/AddressLine1TxtCityContractorAddress/ForeignAddress/CityNmCountryContractorAddress/ForeignAddress/CountryCd
GIST EARTH LLC PHILIP L DECOLA
1924 PARK RD NWWASHINGTONDC20010INDIA SCIENCE/ECONOMIC POLICY$250,000
STEPHEN ANDERSEN
195 BEVERLY COURTSURRYVA23883SCIENCE/ECONOMIC POLICY$223,333
MOHAMED RIDA DERDER
NORTH AFRICA POLICY ANALYST$190,833PO BOX 147KASBA TADLAMO
SHINDELL CONSULTING LLC
702 COBB STDURHAMNC27707CLIMATE POLICY ANALYST$183,000
FieldValueIRS element (for citing)
Cntrct Rcvd Greater Than100 K4CntrctRcvdGreaterThan100KCnt
All Other Contributions$12,842,415AllOtherContributionsAmt
Total Contributions$12,842,415TotalContributionsAmt

Investment Income InvestmentIncomeGrp

FieldValueIRS element (for citing)
Total Revenue Column$180,487TotalRevenueColumnAmt
Exclusion$180,487ExclusionAmt

Total Revenue TotalRevenueGrp

FieldValueIRS element (for citing)
Total Revenue Column$13,022,902TotalRevenueColumnAmt
Related Or Exempt Func Income$0RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue$0UnrelatedBusinessRevenueAmt
Exclusion$180,487ExclusionAmt
FieldValueIRS element (for citing)
Info In Schedule O Part IXYes (X)InfoInScheduleOPartIXInd

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

FieldValueIRS element (for citing)
Total$399,735TotalAmt
Program Services$399,735ProgramServicesAmt

Foreign Grants ForeignGrantsGrp

FieldValueIRS element (for citing)
Total$210,000TotalAmt
Program Services$210,000ProgramServicesAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

FieldValueIRS element (for citing)
Total$560,590TotalAmt
Program Services$305,815ProgramServicesAmt
Management And General$254,775ManagementAndGeneralAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

FieldValueIRS element (for citing)
Total$2,287,475TotalAmt
Program Services$2,111,814ProgramServicesAmt
Management And General$175,661ManagementAndGeneralAmt

Pension Plan Contributions PensionPlanContributionsGrp

FieldValueIRS element (for citing)
Total$81,844TotalAmt
Management And General$81,844ManagementAndGeneralAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

FieldValueIRS element (for citing)
Total$411,383TotalAmt
Program Services$369,810ProgramServicesAmt
Management And General$41,573ManagementAndGeneralAmt

Payroll Taxes PayrollTaxesGrp

FieldValueIRS element (for citing)
Total$201,877TotalAmt
Program Services$158,110ProgramServicesAmt
Management And General$43,767ManagementAndGeneralAmt

Fees For Services Legal FeesForServicesLegalGrp

FieldValueIRS element (for citing)
Total$8,122TotalAmt
Management And General$8,122ManagementAndGeneralAmt

Fees For Services Accounting FeesForServicesAccountingGrp

FieldValueIRS element (for citing)
Total$44,800TotalAmt
Management And General$44,800ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

FieldValueIRS element (for citing)
Total$3,865,609TotalAmt
Program Services$3,837,621ProgramServicesAmt
Management And General$27,988ManagementAndGeneralAmt

Office Expenses OfficeExpensesGrp

FieldValueIRS element (for citing)
Total$80,451TotalAmt
Program Services$20,356ProgramServicesAmt
Management And General$60,095ManagementAndGeneralAmt

Travel TravelGrp

FieldValueIRS element (for citing)
Total$870,900TotalAmt
Program Services$870,900ProgramServicesAmt

Conferences Meetings ConferencesMeetingsGrp

FieldValueIRS element (for citing)
Total$203,958TotalAmt
Program Services$203,958ProgramServicesAmt

Insurance InsuranceGrp

FieldValueIRS element (for citing)
Total$35,710TotalAmt
Management And General$35,710ManagementAndGeneralAmt

Other Expenses OtherExpensesGrp (3 entries)

DescDescTotalTotalAmtProgram ServicesProgramServicesAmtManagement And GeneralManagementAndGeneralAmt
PUBLICATIONS$31,092$30,786$306
MISCELLANEOUS$1,079$1,079
OVERHEAD$0$692,017-$692,017

Total Functional Expenses TotalFunctionalExpensesGrp

FieldValueIRS element (for citing)
Total$9,294,625TotalAmt
Program Services$9,210,922ProgramServicesAmt
Management And General$83,703ManagementAndGeneralAmt
Fundraising$0FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

FieldValueIRS element (for citing)
BOY$8,416,939BOYAmt
EOY$9,844,720EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

FieldValueIRS element (for citing)
BOY$148,215BOYAmt
EOY$213,963EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

FieldValueIRS element (for citing)
BOY$3,416,846BOYAmt
EOY$5,531,297EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

FieldValueIRS element (for citing)
BOY$31,948BOYAmt
EOY$78,180EOYAmt
FieldValueIRS element (for citing)
Land Bldg Equip Cost Or Other Bss$5,854LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec$5,854LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

FieldValueIRS element (for citing)
BOY$0BOYAmt
EOY$0EOYAmt

Other Assets Total OtherAssetsTotalGrp

FieldValueIRS element (for citing)
BOY$0BOYAmt
EOY$0EOYAmt

Total Assets TotalAssetsGrp

FieldValueIRS element (for citing)
BOY$12,013,948BOYAmt
EOY$15,668,160EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

FieldValueIRS element (for citing)
BOY$1,234,799BOYAmt
EOY$1,160,734EOYAmt

Total Liabilities TotalLiabilitiesGrp

FieldValueIRS element (for citing)
BOY$1,234,799BOYAmt
EOY$1,160,734EOYAmt
FieldValueIRS element (for citing)
Organization Follows FASB117Yes (X)OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

FieldValueIRS element (for citing)
BOY$4,468,584BOYAmt
EOY$4,893,818EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

FieldValueIRS element (for citing)
BOY$6,310,565BOYAmt
EOY$9,613,608EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

FieldValueIRS element (for citing)
BOY$10,779,149BOYAmt
EOY$14,507,426EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

FieldValueIRS element (for citing)
BOY$12,013,948BOYAmt
EOY$15,668,160EOYAmt
FieldValueIRS element (for citing)
Reconcilation Revenue Expnss$3,728,277ReconcilationRevenueExpnssAmt
Other Changes In Net Assets$0OtherChangesInNetAssetsAmt
Info In Schedule O Part XIIYes (X)InfoInScheduleOPartXIIInd
Method Of Accounting AccrualYes (X)MethodOfAccountingAccrualInd
Accountant Compile Or Review0AccountantCompileOrReviewInd
FS AuditedYes (1)FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

FieldValueIRS element (for citing)
Separate Basis Fincl StmtYes (X)SeparateBasisFinclStmtInd
FieldValueIRS element (for citing)
Audit CommitteeYes (1)AuditCommitteeInd
Federal Grant Audit Required0FederalGrantAuditRequiredInd

Schedule A IRS990ScheduleA

FieldValueIRS element (for citing)
Public Organization170Yes (X)PublicOrganization170Ind

Gifts Grants Contri Rcvd170 GiftsGrantsContriRcvd170Grp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$7,176,788CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$6,894,670CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$12,598,196CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$12,005,496CurrentTaxYearMinus1YearAmt
Current Tax Year$12,842,415CurrentTaxYearAmt
Total$51,517,565TotalAmt

Total Calendar Year170 TotalCalendarYear170Grp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$7,176,788CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$6,894,670CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$12,598,196CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$12,005,496CurrentTaxYearMinus1YearAmt
Current Tax Year$12,842,415CurrentTaxYearAmt
Total$51,517,565TotalAmt
FieldValueIRS element (for citing)
Substantial Contributors Tot$22,738,773SubstantialContributorsTotAmt
Public Support Total170$28,778,792PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$0CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$0CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$6,620CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$179,331CurrentTaxYearMinus1YearAmt
Current Tax Year$180,487CurrentTaxYearAmt
Total$366,438TotalAmt
FieldValueIRS element (for citing)
Total Support$51,884,003TotalSupportAmt
Public Support CY1700.55470PublicSupportCY170Pct
Public Support PY1700.52590PublicSupportPY170Pct
Thirty Thr Pct Suprt Tests CY170Yes (X)ThirtyThrPctSuprtTestsCY170Ind

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

FieldValueIRS element (for citing)
ContributorRESTRICTEDContributorNum

Contributor Business Name ContributorBusinessName

FieldValueIRS element (for citing)
Business Name Line1RESTRICTEDBusinessNameLine1

Contributor US Address ContributorUSAddress

FieldValueIRS element (for citing)
Address Line1RESTRICTEDAddressLine1
Address Line2RESTRICTEDAddressLine2
CityRESTRICTEDCity
StateRESTRICTEDState
ZIP CodeRESTRICTEDZIPCode
FieldValueIRS element (for citing)
Total ContributionsRESTRICTEDTotalContributionsAmt

Schedule C IRS990ScheduleC

Total Grassroots Lobbying TotalGrassrootsLobbyingGrp

FieldValueIRS element (for citing)
Filing Organizations Total$0FilingOrganizationsTotalAmt

Total Direct Lobbying TotalDirectLobbyingGrp

FieldValueIRS element (for citing)
Filing Organizations Total$0FilingOrganizationsTotalAmt

Total Lobbying Expend TotalLobbyingExpendGrp

FieldValueIRS element (for citing)
Filing Organizations Total$0FilingOrganizationsTotalAmt

Other Exempt Purpose Expend OtherExemptPurposeExpendGrp

FieldValueIRS element (for citing)
Filing Organizations Total$9,294,625FilingOrganizationsTotalAmt

Total Exempt Purpose Expend TotalExemptPurposeExpendGrp

FieldValueIRS element (for citing)
Filing Organizations Total$9,294,625FilingOrganizationsTotalAmt

Lobbying Nontaxable Amount LobbyingNontaxableAmountGrp

FieldValueIRS element (for citing)
Filing Organizations Total$614,731FilingOrganizationsTotalAmt

Grassroots Nontaxable GrassrootsNontaxableGrp

FieldValueIRS element (for citing)
Filing Organizations Total$153,683FilingOrganizationsTotalAmt

Tot Lbbyng Grassroot Mns Non Tx TotLbbyngGrassrootMnsNonTxGrp

FieldValueIRS element (for citing)
Filing Organizations Total$0FilingOrganizationsTotalAmt

Tot Lbby Expend Mns Lbbyng Non Tx TotLbbyExpendMnsLbbyngNonTxGrp

FieldValueIRS element (for citing)
Filing Organizations Total$0FilingOrganizationsTotalAmt

Avg Lobbying Nontaxable Amount AvgLobbyingNontaxableAmountGrp

FieldValueIRS element (for citing)
Current Year Minus3$519,289CurrentYearMinus3Amt
Current Year Minus2$554,915CurrentYearMinus2Amt
Current Year Minus1$573,832CurrentYearMinus1Amt
Current Year$614,731CurrentYearAmt
Total$2,262,767TotalAmt
FieldValueIRS element (for citing)
Lobbying Ceiling$3,394,151LobbyingCeilingAmt

Avg Grassroots Nontaxable AvgGrassrootsNontaxableGrp

FieldValueIRS element (for citing)
Current Year Minus3$129,822CurrentYearMinus3Amt
Current Year Minus2$138,729CurrentYearMinus2Amt
Current Year Minus1$143,458CurrentYearMinus1Amt
Current Year$153,683CurrentYearAmt
Total$565,692TotalAmt
FieldValueIRS element (for citing)
Grassroots Ceiling$848,538GrassrootsCeilingAmt

Schedule D IRS990ScheduleD

Equipment EquipmentGrp

FieldValueIRS element (for citing)
Other Cost Or Other Basis$5,854OtherCostOrOtherBasisAmt
Depreciation$5,854DepreciationAmt
Book Value$0BookValueAmt
FieldValueIRS element (for citing)
Total Book Value Land Buildings$0TotalBookValueLandBuildingsAmt
Footnote TextYes (X)FootnoteTextInd
Total Rev Etc Audited Fincl Stmt$13,022,902TotalRevEtcAuditedFinclStmtAmt
Revenue Not Reported$0RevenueNotReportedAmt
Revenue Subtotal$13,022,902RevenueSubtotalAmt
Revenue Not Reported Fincl Stmt$0RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990$13,022,902TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt$9,294,625TotExpnsEtcAuditedFinclStmtAmt
Expenses Not Reported$0ExpensesNotReportedAmt
Expenses Subtotal$9,294,625ExpensesSubtotalAmt
Expenses Not Rpt Fincl Stmt$0ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990$9,294,625TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail

FieldValueIRS element (for citing)
Form And Line ReferencePART X, LINE 2:FormAndLineReferenceDesc
ExplanationTHE ACCOUNTING STANDARD ON ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES ADDRESSES THE DETERMINATION OF WHETHER TAX BENEFITS CLAIMED OR EXPECTED TO BE CLAIMED ON A TAX RETURN SHOULD BE RECORDED IN THE FINANCIAL STATEMENTS. UNDER THAT GUIDANCE, IGSD MAY RECOGNIZE THE TAX BENEFIT FROM AN UNCERTAIN TAX POSITION ONLY IF IT IS MORE LIKELY THAN NOT THAT THE TAX POSITION WILL BE SUSTAINED ON EXAMINATION BY TAXING AUTHORITIES BASED ON THE TECHNICAL MERITS OF THE POSITION. EXAMPLES OF TAX POSITIONS INCLUDE IGSD'S TAX-EXEMPT STATUS OF AND VARIOUS POSITIONS RELATED TO THE POTENTIAL SOURCES OF UNRELATED BUSINESS INCOME TAX (UBIT). AS OF JUNE 30, 2025 AND 2024, IGSD HAD NO UNCERTAIN TAX POSITIONS THAT QUALIFIED FOR EITHER RECOGNITION AS UNRECOGNIZED TAX BENEFITS OR DISCLOSURE IN ITS FINANCIAL STATEMENTS.ExplanationTxt

Schedule F IRS990ScheduleF

FieldValueIRS element (for citing)
Grant Records MaintainedYes (1)GrantRecordsMaintainedInd

Account Activities Outside US AccountActivitiesOutsideUSGrp (2 entries)

RegionRegionTxtOfficesOfficesCntEmployeeEmployeeCntType Of Activities ConductedTypeOfActivitiesConductedTxtRegion Total ExpendituresRegionTotalExpendituresAmt
SOUTH AMERICA00GRANTS TO RECIPIENTS$160,000
SOUTH ASIA00GRANTS TO RECIPIENTS$50,000
FieldValueIRS element (for citing)
Subtotal Offices0SubtotalOfficesCnt
Subtotal Employees0SubtotalEmployeesCnt
Continuation Total Office0ContinuationTotalOfficeCnt
Continuation Total Employee0ContinuationTotalEmployeeCnt
Total Office0TotalOfficeCnt
Total Employee0TotalEmployeeCnt
Subtotal Spent$210,000SubtotalSpentAmt
Continuation Spent$0ContinuationSpentAmt
Total Spent$210,000TotalSpentAmt

Grants To Org Outside US GrantsToOrgOutsideUSGrp (2 entries)

RegionRegionTxtPurpose Of GrantPurposeOfGrantTxtCash GrantCashGrantAmtNon Cash AssistanceNonCashAssistanceAmt
SOUTH AMERICACONSOLIDATING MODEL FOR JUST ENERGY TRANSITION, ENSURING CONTINUED COMMUNITY ENGAGEMENT AND PARTICIPATION$160,000$0
SOUTH ASIAACCELERATING INTEGRATED ACTION ON CLIMATE AND AIR QUALITY MANAGEMENT ACTION IN INDIAN STATES$50,000$0
FieldValueIRS element (for citing)
Total501c3 Org2Total501c3OrgCnt
Transfer To Foreign Corp0TransferToForeignCorpInd
Interest In Foreign Trust0InterestInForeignTrustInd
Foreign Corp Ownership0ForeignCorpOwnershipInd
Passive Foreign Investmest Co0PassiveForeignInvestmestCoInd
Foreign Partnership0ForeignPartnershipInd
Boycott Countries0BoycottCountriesInd

Supplemental Information Detail SupplementalInformationDetail

FieldValueIRS element (for citing)
Form And Line ReferencePART I, LINE 2:FormAndLineReferenceDesc
ExplanationTHE INSTITUTE MONITORS THE USE OF GRANT FUNDS BY THE RECIPIENTS.ExplanationTxt

Schedule I IRS990ScheduleI

FieldValueIRS element (for citing)
Grant Records MaintainedYes (1)GrantRecordsMaintainedInd

Recipient Table RecipientTable (2 entries)

Address Line1USAddress/AddressLine1TxtCityUSAddress/CityNmState AbbreviationUSAddress/StateAbbreviationCdZIPUSAddress/ZIPCdRecipient EINRecipientEINIRC SectionIRCSectionDescCash GrantCashGrantAmtNon Cash AssistanceNonCashAssistanceAmtPurpose Of GrantPurposeOfGrantTxt
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
1 CYCLOTRON ROAD MAILSTOP 56A0120BERKELEYCA94701943067788501(C)(3)$199,735$0RESEARCH ON ENERGY EFFICIENCY BY LAWRENCE BERKELY NATIONAL LABORATORY
UNIVERSITY OF MARYLAND
COLLEGE PARKBALTIMOREMD20742526002033501(C)(3)$200,000$0STRATEGIC INTERNATIONAL COLLABORATION, RAISING THE BAR ON CHINA'S METHANE MITIGATION AMBITION
FieldValueIRS element (for citing)
Total501c3 Org2Total501c3OrgCnt

Supplemental Information Detail SupplementalInformationDetail

FieldValueIRS element (for citing)
Form And Line ReferencePART I, LINE 2:FormAndLineReferenceDesc
ExplanationTHE INSTITUTE MONITORS THE USE OF GRANT FUNDS BY THE RECIPIENTS.ExplanationTxt

Schedule J IRS990ScheduleJ

FieldValueIRS element (for citing)
Board Or Committee ApprovalYes (X)BoardOrCommitteeApprovalInd
Severance Payment0SeverancePaymentInd
Supplemental Nonqual Rtr Plan0SupplementalNonqualRtrPlanInd
Equity Based Comp Arrngm0EquityBasedCompArrngmInd
Comp Based On Revenue Of Flng Org0CompBasedOnRevenueOfFlngOrgInd
Comp Bsd On Rev Related Orgs0CompBsdOnRevRelatedOrgsInd
Comp Bsd Net Earns Flng Org0CompBsdNetEarnsFlngOrgInd
Comp Bsd Net Earns Rltd Orgs0CompBsdNetEarnsRltdOrgsInd
Any Non Fixed Payments0AnyNonFixedPaymentsInd
Initial Contract Exception0InitialContractExceptionInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp (7 entries)

TitleTitleTxtBase Compensation Filing OrgBaseCompensationFilingOrgAmtCompensation Based On Rltd OrgsCompensationBasedOnRltdOrgsAmtBonus Filing OrganizationBonusFilingOrganizationAmountBonus Related OrganizationsBonusRelatedOrganizationsAmtOther Compensation Filing OrgOtherCompensationFilingOrgAmtOther Compensation Rltd OrgsOtherCompensationRltdOrgsAmtDeferred Compensation Flng OrgDeferredCompensationFlngOrgAmtDeferred Comp Rltd OrgsDeferredCompRltdOrgsAmtNontaxable Benefits Filing OrgNontaxableBenefitsFilingOrgAmtNontaxable Benefits Rltd OrgsNontaxableBenefitsRltdOrgsAmtTotal Compensation Filing OrgTotalCompensationFilingOrgAmtTotal Compensation Rltd OrgsTotalCompensationRltdOrgsAmtComp Report Prior990 Filing OrgCompReportPrior990FilingOrgAmtComp Report Prior990 Rltd OrgsCompReportPrior990RltdOrgsAmt
DURWOOD ZAELKE
PRESIDENT$300,000$0$0$0$0$0$15,000$0$15,241$0$330,241$0$0$0
ROMINA PICOLOTTI
SENIOR POLICY ADVISOR$253,333$0$27,000$0$0$0$0$0$43,253$0$323,586$0$0$0
RICHARD FERRIS
SENIOR COUNSEL$241,667$0$0$0$0$0$12,083$0$15,241$0$268,991$0$0$0
GABRIELLE DREYFUS
SENIOR SCIENTIST$206,667$0$0$0$0$0$10,333$0$34,883$0$251,883$0$0$0
ZERIN OSHO
DIRECTOR INDIA PROGRAM$201,667$0$0$0$0$0$10,083$0$15,241$0$226,991$0$0$0
MELINDA SOFFER
DIRECTOR FINANCE & ADMINISTRATION$176,667$0$0$0$0$0$8,833$0$34,883$0$220,383$0$0$0
XIAOPU SUN
SENIOR CHINA COUNSEL$204,667$0$0$0$0$0$10,233$0$0$0$214,900$0$0$0

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (6 entries)

Form And Line ReferenceFormAndLineReferenceDescExplanationExplanationTxt
FORM 990, PART VI, SECTION B, LINE 11BTHE GOVERNING BODY WAS EMAILED A COPY OF THE PRELIMINARY FORM 990 FOR REVIEW AND APPROVAL PRIOR TO THE FILING OF THE FINAL FORM 990.
FORM 990, PART VI, SECTION B, LINE 12CIGSD MAINTAINS OPEN COMMUNICATION BETWEEN DIRECTORS AND EMPLOYEES; FURTHERMORE, OFFICERS, DIRECTORS, AND KEY EMPLOYEES ARE MADE AWARE OF NEW BUSINESS RELATIONSHIPS AS THEY ARE CONTRACTED. WHEN POTENTIAL CONFLICTS ARE DISCOVERED, TOP MANAGEMENT ASSESS THE SITUATION. IF A CONFLICT EXISTS, THE PERSON WITH THE CONFLICT IS PROHIBITED FROM PARTICIPATING IN THE GOVERNING BODY'S DELIBERATIONS AND DECISIONS IN THE TRANSACTION.
FORM 990, PART VI, SECTION B, LINE 15THE FINANCE COMMITTEE REVIEWS THE COMPENSATION OF THE IGSD PRESIDENT UTILIZING COMPARABLE (WASHINGTON, DC) INDUSTRY DATA.
FORM 990, PART VI, SECTION C, LINE 19THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.
FORM 990, PART IX, LINE 11GCONSULTANTS: PROGRAM SERVICE EXPENSES 3,837,621. MANAGEMENT AND GENERAL EXPENSES 26,548. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 3,864,169. OTHER SERVICES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 1,440. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,440.
FORM 990, PART XII, LINE 2C:THE AUDIT COMMITTEE ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE AUDIT AND SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.