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        <Desc>PROTECTING HABITAT - ACA PROTECTS VITAL ECOSYSTEMS BY CREATING AND MANAGING CONSERVATION AREAS, INCLUDING CONSERVATION AREAS MANAGED BY LOCAL, REGIONAL AND NATIONAL GOVERNMENTS IN PERU AND BOLIVIA AS WELL AS ALTERNATIVE CONSERVATION AREAS, SUCH AS COMMUNITY OR CIVIL SOCIETY-MANAGED CONSERVATION CONCESSIONS. ACA ALSO PROMOTES ECOSYSTEM-BASED LAND-USE PLANNING, AND DEVELOPING AND SUPPORTING THE CREATION OF CONSERVATION CORRIDORS. ACA CURRENTLY PROTECTS NEARLY ONE MILLION ACRES OF AMAZONIAN RAINFOREST THROUGH THESE MECHANISMS.FOR EXAMPLE, IN 2001, ACA ESTABLISHED LOS AMIGOS, THE WORLD'S FIRST PRIVATE CONSERVATION CONCESSION, WHICH PROTECTS 360,000 ACRES OF OLD-GROWTH AMAZONIAN FOREST AT THE BASE OF THE ANDES IN SOUTHEASTERN PERU. THEN, IN 2008, ACA, IN COLLABORATION WITH THE AMAZONIAN HARAMBA QUEROS NATIVE COMMUNITY, ESTABLISHED THE FIRST CONSERVATION CONCESSION IN PERU RUN BY AN INDIGENOUS COMMUNITY. IN 2012, ACA SUPPORTED THE CREATION OF FOUR NEW COMMUNITY-RUN PRIVATE CONSERVATION AREAS COVERING MORE THAN 46,700 ACRES, AND HELPED TO TRAIN THESE COMMUNITIES TO PATROL AND MONITOR THEIR RESERVES. CURRENTLY, ACA IS SUPPORTING DECLARATION OF NEW PROTECTED AREAS IN PERU AND BOLIVIA.</Desc>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PEDRO SOLANO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFF WOODMAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MANUEL PULGAR-VIDAL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HANNAH C STUTZMAN</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>93600</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11129</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>93600</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>11129</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>1</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>429178</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>2369767</AllOtherContributionsAmt>
      <TotalContributionsAmt>2798945</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>RESEARCH FACILITY</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>184951</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>184951</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>OTHER PROGRAM SERVICE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>105069</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>105069</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>290020</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>9223</TotalRevenueColumnAmt>
        <ExclusionAmt>9223</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>20888</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>20888</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>20888</TotalRevenueColumnAmt>
        <ExclusionAmt>20888</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>REFUNDS AND REIMBURSEM</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>12442</TotalRevenueColumnAmt>
        <ExclusionAmt>12442</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>12442</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3131518</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>290020</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>42553</ExclusionAmt>
      </TotalRevenueGrp>
      <ForeignGrantsGrp>
        <TotalAmt>3574431</TotalAmt>
        <ProgramServicesAmt>3574431</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>104732</TotalAmt>
        <ProgramServicesAmt>60905</ProgramServicesAmt>
        <ManagementAndGeneralAmt>32582</ManagementAndGeneralAmt>
        <FundraisingAmt>11245</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>509884</TotalAmt>
        <ProgramServicesAmt>290082</ProgramServicesAmt>
        <ManagementAndGeneralAmt>165056</ManagementAndGeneralAmt>
        <FundraisingAmt>54746</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>16188</TotalAmt>
        <ProgramServicesAmt>11131</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3319</ManagementAndGeneralAmt>
        <FundraisingAmt>1738</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>54265</TotalAmt>
        <ProgramServicesAmt>37313</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11126</ManagementAndGeneralAmt>
        <FundraisingAmt>5826</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>43973</TotalAmt>
        <ProgramServicesAmt>30236</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9016</ManagementAndGeneralAmt>
        <FundraisingAmt>4721</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>31755</TotalAmt>
        <ManagementAndGeneralAmt>31755</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>148758</TotalAmt>
        <ProgramServicesAmt>102284</ProgramServicesAmt>
        <ManagementAndGeneralAmt>30502</ManagementAndGeneralAmt>
        <FundraisingAmt>15972</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>37395</TotalAmt>
        <ProgramServicesAmt>25711</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7668</ManagementAndGeneralAmt>
        <FundraisingAmt>4016</FundraisingAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>90748</TotalAmt>
        <ProgramServicesAmt>62397</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18607</ManagementAndGeneralAmt>
        <FundraisingAmt>9744</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>136780</TotalAmt>
        <ProgramServicesAmt>133065</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3481</ManagementAndGeneralAmt>
        <FundraisingAmt>234</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>20311</TotalAmt>
        <ProgramServicesAmt>13966</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4164</ManagementAndGeneralAmt>
        <FundraisingAmt>2181</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>605</TotalAmt>
        <ProgramServicesAmt>417</ProgramServicesAmt>
        <ManagementAndGeneralAmt>123</ManagementAndGeneralAmt>
        <FundraisingAmt>65</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>9853</TotalAmt>
        <ProgramServicesAmt>6775</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2020</ManagementAndGeneralAmt>
        <FundraisingAmt>1058</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>RESEARCH STATIONS AND O</Desc>
        <TotalAmt>251344</TotalAmt>
        <ProgramServicesAmt>251344</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT</Desc>
        <TotalAmt>4611</TotalAmt>
        <ManagementAndGeneralAmt>4611</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS</Desc>
        <TotalAmt>2562</TotalAmt>
        <ProgramServicesAmt>1762</ProgramServicesAmt>
        <ManagementAndGeneralAmt>525</ManagementAndGeneralAmt>
        <FundraisingAmt>275</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>REPAIRS AND MAINTENANCE</Desc>
        <TotalAmt>745</TotalAmt>
        <ProgramServicesAmt>512</ProgramServicesAmt>
        <ManagementAndGeneralAmt>153</ManagementAndGeneralAmt>
        <FundraisingAmt>80</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>5038940</TotalAmt>
        <ProgramServicesAmt>4602331</ProgramServicesAmt>
        <ManagementAndGeneralAmt>324708</ManagementAndGeneralAmt>
        <FundraisingAmt>111901</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>2407529</BOYAmt>
        <EOYAmt>2136609</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>678629</BOYAmt>
        <EOYAmt>197120</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>3179648</BOYAmt>
        <EOYAmt>1994209</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>96035</BOYAmt>
        <EOYAmt>81341</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>13095</BOYAmt>
        <EOYAmt>4777</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>3814</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>1675</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>2744</BOYAmt>
        <EOYAmt>2139</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>670</BOYAmt>
        <EOYAmt>8509</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>43253</BOYAmt>
        <EOYAmt>6558</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>6421603</BOYAmt>
        <EOYAmt>4431262</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>63748</BOYAmt>
        <EOYAmt>85574</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <GrantsPayableGrp>
        <BOYAmt>100216</BOYAmt>
      </GrantsPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>78244</BOYAmt>
        <EOYAmt>73715</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>242208</BOYAmt>
        <EOYAmt>159289</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>106328</BOYAmt>
        <EOYAmt>-156360</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>6073067</BOYAmt>
        <EOYAmt>4428333</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>6179395</BOYAmt>
        <EOYAmt>4271973</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>6421603</BOYAmt>
        <EOYAmt>4431262</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-1907422</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>3838876</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4492323</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3008096</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>7311301</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2798945</CurrentTaxYearAmt>
        <TotalAmt>21449541</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>3838876</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4492323</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3008096</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>7311301</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2798945</CurrentTaxYearAmt>
        <TotalAmt>21449541</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>5249135</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>16200406</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>15387</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>13102</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>17196</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>22439</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>30111</CurrentTaxYearAmt>
        <TotalAmt>98235</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>2128</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>6738</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>17636</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9850</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>12442</CurrentTaxYearAmt>
        <TotalAmt>48794</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>21596570</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>2214979</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.75010</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.58170</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>REFUNDS AND REIMBURSEMENTS - 2013 AMOUNT: $ 2,128. 2014 AMOUNT: $ 6,738. 2015 AMOUNT: $ 17,636. 2016 AMOUNT: $ 9,850. 2017 AMOUNT: $ 12,442.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001" />
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>3814</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1675</DepreciationAmt>
        <BookValueAmt>2139</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>2139</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO AFFILIATES</Desc>
        <Amt>19034</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED REVENUE</Desc>
        <Amt>54681</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>73715</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>3132373</TotalRevEtcAuditedFinclStmtAmt>
      <DonatedServicesAndUseFcltsAmt>855</DonatedServicesAndUseFcltsAmt>
      <RevenueNotReportedAmt>855</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3131518</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3131518</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>5039795</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>855</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>855</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>5038940</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>5038940</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ACA BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE CONSOLIDATED FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>0</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>3574431</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ADMINISTRATIVE EXPENSES</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>251344</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>3825775</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>3825775</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>VARIOUS CONSERVATION PROJECTS IN BOLIVIA</PurposeOfGrantTxt>
        <CashGrantAmt>292374</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>SUB-GRANT FOR USAID PROJECT</PurposeOfGrantTxt>
        <CashGrantAmt>93115</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>VARIOUS CONSERVATION PROJECTS IN BRAZIL</PurposeOfGrantTxt>
        <CashGrantAmt>520331</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>SUB-GRANT FOR NORAD PROJECT</PurposeOfGrantTxt>
        <CashGrantAmt>162099</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>GRANT AWARDS TO ACCA</PurposeOfGrantTxt>
        <CashGrantAmt>2506512</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>5</Total501c3OrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AMAZON CONSERVATION ASSOCIATION (ACA) MONITORS THE USE OF GRANT FUNDS BY REQUIRING THE GRANTEE TO SUBMIT WRITTEN PROGRAM UPDATES DESCRIBING THE PROJECT ADVANCES AS WELL AS A FINAL GRANT REPORT INCLUDING AN IMPLEMENTATION SUMMARY AND A FULL ACCOUNTING OF ALL GRANT EXPENDITURES AND FUNDS. THE REPORT SHOULD BE DELIVERED TO ACA NO LATER THAN 60 DAYS AFTER THE END OF THE GRANT PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS, BY RESOLUTION ADOPTED BY A MAJORITY OF THE DIRECTORS IN OFFICE, MAY DESIGNATE AND APPOINT ONE OR MORE COMMITTEES, EACH OF WHICH SHALL CONSIST OF TWO OR MORE DIRECTORS, WHICH COMMITTEES, TO THE EXTENT PROVIDED IN THE RESOLUTION, SHALL HAVE AND EXERCISE THE AUTHORITY OF THE BOARD OF DIRECTORS OF THE CORPORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>ON SEPTEMBER 30, 2017, THE BOARD AMENDED THE BYLAWS TO DIVIDE THE DIRECTORS INTO THREE CLASSES OF DIRECTORS TO SERVE STAGGERED THREE YEAR TERMS AND ADDED A TERM LIMIT OF THREE TERMS EXCEPT FOR THE CO-FOUNDERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>ACA DELEGATES THE RESPONSIBILITY OF REVIEWING THE FORM 990 TO ITS FINANCE COMMITTEE. MEMBERS OF THE FINANCE COMMITTEE RECEIVE A COPY OF THE COMPLETED FORM 990 DRAFT FOR REVIEW AND CORRECTIONS; THE FULL BOARD RECEIVES THE FINAL VERSION BEFORE IT IS SUBMITTED TO THE U.S. INTERNAL REVENUE SERVICE. THE FORM 990 MAY BE SIGNED BY ACA'S EXECUTIVE DIRECTOR OR TREASURER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>AT EACH BOARD MEETING, BOARD MEMBERS ARE ASKED IF THEY HAVE HAD ANY NEW ACTIVITIES THAT MIGHT CONSTITUTE A CONFLICT OF INTEREST THAT NEEDS TO BE DISCUSSED BY THE BOARD. SUCH MONITORING IS INTRINSIC TO ACA OPERATIONS IN THAT ACA STAFF WOULD BE IMMEDIATELY AWARE OF ANY POSSIBLE CONFLICTS, SINCE FINANCIAL AND/OR PROGRAM STAFF ARE INVOLVED IN ALL ACA OPERATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>REGARDING THE PROCESS FOR DETERMINING COMPENSATION FOR THE ORGANIZATION'S EXECUTIVE DIRECTOR: REVIEW AND APPROVAL IS CONDUCTED BY BOARD MEMBERS, WHO QUALIFY AS INDEPENDENT PERSONS; COMPARABILITY DATA, INCLUDING EXECUTIVE COMPENSATION SHOWN ON 990S OF SIMILAR NON-PROFITS, IS CONSULTED; AND THE PROCESS IS DOCUMENTED CONTEMPORANEOUSLY BY THE INDIVIDUALS WHO PARTICIPATE IN THE REVIEW AND APPROVAL PROCESS. THE LAST COMPARABILITY STUDY WAS DONE FEB 23, 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS AND OTHER INFORMATION ARE AVAILABLE BY REQUEST TO THE ORGANIZATION; ITS MOST RECENT FINANCIAL INFORMATION CAN BE FOUND ON OUR WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT CHANGED ITS AUDIT OVERSIGHT PROCESS OR PROCESS OF SELECTION OF AN INDEPENDENT ACCOUNTANT DURING THE TAX YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>