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      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearAmt>683123</CurrentTaxYearAmt>
        <TotalAmt>683123</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearAmt>68</CurrentTaxYearAmt>
        <TotalAmt>68</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearAmt>683191</CurrentTaxYearAmt>
        <TotalAmt>683191</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>683191</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearAmt>683191</CurrentTaxYearAmt>
        <TotalAmt>683191</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc3">
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>34273</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>6855</DepreciationAmt>
        <BookValueAmt>27418</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>27418</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>GREEN COLUMBUS IS A VOLUNTEER-DRIVEN ENVIRONMENTAL NONPROFIT DEDICATED TO CREATING A MORE SUSTAINABLE AND RESILIENT CENTRAL OHIO BY INCREASING EQUITABLE TREE CANOPY COVERAGE, PROMOTING ENVIRONMENTAL EDUCATION, AND ENGAGING COMMUNITY MEMBERS IN VOLUNTEER SERVICE. THROUGHOUT THE YEAR, THE ORGANIZATION COORDINATES COMMUNITY TREE PLANTING PROJECTS, DISTRIBUTES THOUSANDS OF FREE NATIVE TREES TO RESIDENTS, AND MAINTAINS TREE NURSERY OPERATIONS TO IMPROVE NEIGHBORHOOD TREE EQUITY AND ENVIRONMENTAL HEALTH. GREEN COLUMBUS ALSO ORGANIZES EARTH MONTH VOLUNTEER SERVICE INITIATIVES, THE ANNUAL EARTH DAY COLUMBUS CELEBRATION, RIVER AND NEIGHBORHOOD CLEANUP EVENTS, EDUCATIONAL PROGRAMS, AND COMMUNITY PARTNERSHIPS THAT ENCOURAGE ENVIRONMENTAL STEWARDSHIP AND SUSTAINABLE PRACTICES. THESE EFFORTS IMPROVE AIR AND WATER QUALITY, REDUCE URBAN HEAT ISLAND EFFECTS, ENHANCE STORMWATER MANAGEMENT, RESTORE WILDLIFE HABITAT, AND EMPOWER RESIDENTS, BUSINESSES, AND VOLUNTEERS TO BUILD HEALTHIER, GREENER COMMUNITIES ACROSS CENTRAL OHIO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>NO REVIEW WAS OR WILL BE CONDUCTED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS AVAILABLE TO THE PUBLIC</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>BANK CHARGES &amp; FEES 0 586 0 CONTRACTORS 10,653 0 0 DONATION EXPENSE 0 26,956 0 DUES &amp; SUBSCRIPTION 0 1,223 0 EMAIL SERVICES 0 414 0 OTHER EVENT EXPENSE 309 0 0 OUTREACH 0 277 0 QUICKBOOKS PAYMENT FEES 0 90 0 REIMBURSABLE EXPENSES 0 223 0 RENT &amp; STORAGE 65 4,639 0 SOFTWARE 0 4,272 0 SUPPLIES 13,624 85,354 0 VEHICLE EXPENSES 0 364 0 VOLUNTEER ENGAGEMENT 55,359 291 0 WEBSITE 0 216 0 TOTAL 80,010 124,905 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>BOOK / TAX DEPRECIATION DIFFERENCE 2,121</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>