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        <Desc>THE ECOLOGICAL RESTORATION PROGRAM WORKS WITH NATURAL SYSTEMS TO CREATE OR RESTORE THE CONDITIONS FOR ECOLOGICAL AND HUMAN THRIVING AND RESILIENCE. THE PROGRAM DOES THIS BY REMOVING DAMS AND RESTORING FISH PASSAGE; INSTALLING GREEN INFRASTRUCTURE THAT EMPLOYS NATIVE PLANTS TO ABSORB AND FILTER STORMWATER BEFORE IT POLLUTES LOCAL WATERWAYS; RESTORES MARSHLAND AND CONSTRUCTS LVING SHORELINES TO IMPROVE COASTAL RESILIENCE AND REVERSE MARSH LOSS AND ENGAGES THE PUBLIC IN PROTECTING WATER QUALITY AND WILDLIFE THORUOGH A ROBUST CLELANUP PROGRAM AND OTHER EDUCATIONAL AND VOLUNTEER OPPORTUNITIES.</Desc>
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        <Desc>THE CLIMATE AND ENERGY PROGRAM USES EDUCATION, POLICY, AND GRASSROOTS ADVOCACY TO ENSURE LOWERED EMISSIONS, TO REDUCE POLLUTION, AND TO EXPEDITE THE ADOPTION OF PRACTICES THAT STRENGTHEN THE REGION'S RESILIENCE AND COASTAL DEFENSES. WE WORK WITH PARTNERS THROUGHOUT THE REGION TO SHARE INFORMATION AND LEVERAGE RESOURCES TO IMPROVE THE HEALTH OF THE LONG ISLAND SOUND, WILDLIFE, AND THE RESIDENTS WHO LIVE, WORK, AND RECREATE WITHIN THE WATERSHED.</Desc>
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        <BookValueAmt>128991</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>587908</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>336647</DepreciationAmt>
        <BookValueAmt>251261</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>380252</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>OPERATING LEASE RIGHT-OF-USE ASSETS</Desc>
        <BookValueAmt>1130594</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>CHARITABLE REMAINDER TRUST</Desc>
        <BookValueAmt>2702381</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>BENEFICIAL INTEREST IN PERPETUAL TRUST</Desc>
        <BookValueAmt>1007915</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>4840890</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OPERATING LEASE LIABILITIES</Desc>
        <Amt>1220254</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1220254</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>9681280</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>1476096</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>399692</OtherRevenueAmt>
      <RevenueNotReportedAmt>1875788</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>7805492</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>75051</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>75051</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>7880543</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>8010220</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>8010220</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>75051</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>75051</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>8085271</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>SAVE THE SOUND HAS DETERMINED THAT THERE ARE NO MATERIAL UNCERTAIN TAX POSITIONS THAT REQUIRE RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS. SAVE THE SOUND IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. SAVE THE SOUND BELIEVES IT IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR YEARS PRIOR TO 2021.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN VALUE IN TRUSTS 399,692.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ALICIA SULLIVAN</PersonNm>
        <TitleTxt>EVP, PHILANTHROPY</TitleTxt>
        <BaseCompensationFilingOrgAmt>162318</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8057</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>14038</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>184413</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LEAH LOPEZ SCHMALZ</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>162137</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>2700</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18881</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>183718</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR'S SALARY AND BENEFITS ARE APPROVED BY THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S BYLAWS ESTABLISH ONE CLASS OF MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ARE ENTITLED TO VOTE ON THE ELECTION OF DIRECTORS TO FILL VACANCIES AT THE ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 990 IS PRESENTED AT A MEETING OF THE BOARD OR TO THE APPROPRIATE COMMITTEE WHICH WILL REPORT TO THE FULL BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL REVIEW OF THE CONFLICT-OF-INTEREST POLICY WITH REQUEST FOR DISCLOSURE. THE CONFLICT-OF-INTEREST POLICY IS UPDATED AND SIGNED ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRESIDENT'S SALARY IS REVIEWED BY THE BOARD AND COMPARED TO COMPARABLE NONPROFIT SALARIES. ALL OTHER SALARIES ARE REVIEWED ANNUALLY BY THE PRESIDENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S FINANCIAL STATEMENTS ARE INCLUDED IN THE ANNUAL REPORT AVAILABLE ON THE ORGANIZATION'S WEBSITE. OTHER GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 5,875. MANAGEMENT AND GENERAL EXPENSES 4,470. FUNDRAISING EXPENSES 9,191. TOTAL EXPENSES 19,536. CONSULTANTS: PROGRAM SERVICE EXPENSES 686,098. MANAGEMENT AND GENERAL EXPENSES 88,614. FUNDRAISING EXPENSES 115,146. TOTAL EXPENSES 889,858.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN VALUE IN TRUSTS 399,691.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>