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        <Desc>PAYROLL PROCESSING</Desc>
        <TotalAmt>2954</TotalAmt>
        <ProgramServicesAmt>2247</ProgramServicesAmt>
        <ManagementAndGeneralAmt>140</ManagementAndGeneralAmt>
        <FundraisingAmt>567</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>WORKERS' COMPENSATION I</Desc>
        <TotalAmt>1562</TotalAmt>
        <ProgramServicesAmt>920</ProgramServicesAmt>
        <ManagementAndGeneralAmt>410</ManagementAndGeneralAmt>
        <FundraisingAmt>232</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>POSTAGE, MAILING SERVIC</Desc>
        <TotalAmt>746</TotalAmt>
        <ProgramServicesAmt>590</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24</ManagementAndGeneralAmt>
        <FundraisingAmt>132</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>BOOKS,SUBSRIPTIONS, REF</Desc>
        <TotalAmt>604</TotalAmt>
        <ProgramServicesAmt>369</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1</ManagementAndGeneralAmt>
        <FundraisingAmt>234</FundraisingAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>1426</TotalAmt>
        <ProgramServicesAmt>872</ProgramServicesAmt>
        <ManagementAndGeneralAmt>295</ManagementAndGeneralAmt>
        <FundraisingAmt>259</FundraisingAmt>
      </AllOtherExpensesGrp>
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        <TotalAmt>572902</TotalAmt>
        <ProgramServicesAmt>455153</ProgramServicesAmt>
        <ManagementAndGeneralAmt>44328</ManagementAndGeneralAmt>
        <FundraisingAmt>73421</FundraisingAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>356906</BOYAmt>
        <EOYAmt>218034</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>908</BOYAmt>
        <EOYAmt>910533</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <LandBldgEquipCostOrOtherBssAmt>31927</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>13166</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>18761</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>10500</BOYAmt>
        <EOYAmt>555584</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>368314</BOYAmt>
        <EOYAmt>1702912</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1072</BOYAmt>
        <EOYAmt>15646</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>1072</BOYAmt>
        <EOYAmt>15646</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>67242</BOYAmt>
        <EOYAmt>894033</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>300000</BOYAmt>
        <EOYAmt>793233</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>367242</BOYAmt>
        <EOYAmt>1687266</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>368314</BOYAmt>
        <EOYAmt>1702912</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>1320021</ReconcilationRevenueExpnssAmt>
      <PriorPeriodAdjustmentsAmt>3</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>252267</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>525456</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>56990</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>614393</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1884343</CurrentTaxYearAmt>
        <TotalAmt>3333449</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>252267</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>525456</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>56990</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>614393</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1884343</CurrentTaxYearAmt>
        <TotalAmt>3333449</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>2856884</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>476565</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>78</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>30</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>15</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>54</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8580</CurrentTaxYearAmt>
        <TotalAmt>8757</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>638</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>638</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>3342844</TotalSupportAmt>
      <PublicSupportCY170Pct>0.14260</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.33350</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsPY170Ind>X</ThirtyThrPctSuprtTestsPY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>PAYROLL TAX REFUND - 2020 AMOUNT: $ 638.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>31927</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>13166</DepreciationAmt>
        <BookValueAmt>18761</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>18761</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>UNDEPOSITED FUNDS</Desc>
        <BookValueAmt>544</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>A/R</Desc>
        <BookValueAmt>542800</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>PREPAID EXPENSES</Desc>
        <BookValueAmt>12240</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>555584</TotalBookValueOtherAssetsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>RICHARD MULLER AND ELIZABETH MULLER (FATHER AND DAUGHTER) CO-FOUNDED BERKELEY EARTH TO CONDUCT CLIMATE DATA RESEARCH. ELIZABETH WAS EXECUTIVE DIRECTOR UNTIL 2022 WHEN JUDITH SISSENER WAS HIRED TO FILL THAT POSITION. ELIZABETH CONTINUED IN HER ROLE AS BOARD CHAIR AND CONCURRENTLY ASSUMED THE STAFF POSITION OF DIRECTOR OF STRATEGY AND SHE CONTINUED IN THOSE ROLES THROUGH DECEMBER 31, 2024. RICHARD MULLER RESIGNED FROM THE BOARD IN SEPTEMBER 2024. JUDITH SISSENER WAS REPLACED AS EXECUTIVE DIRECTOR BY KRISTEN SISSENER (MOTHER AND DAUGHTER) AS OF APRIL 2024, AT WHICH TIME JUDITH SISSENER WAS VOTED ONTO THE BOARD OF DIRECTORS AS SECRETARY. JUDITH CONCURRENTLY ASSUMED THE STAFF POSITION OF DIRECTOR OF PHILANTHROPY FROM APRIL 2024 THROUGH DECEMBER 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WILL BE REVIEWED AND ACCEPTED BY THE OFFICERS OF THE BOARD OF DIRECTORS OF BERKELEY EARTH BEFORE FILING, AND MADE AVAILABLE TO ALL DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH DIRECTOR, PRINCIPAL OFFICER, AND MEMBER OF A COMMITTEE WITH GOVERNING BOARD DELEGATED POWERS SHALL SIGN A STATEMENT WHICH AFFIRMS SUCH PERSON:(A) HAS RECEIVED A COPY OF THE CONFLICTS OF INTEREST POLICY, (B) HAS READ AND UNDERSTANDS THE POLICY, (C) HAS AGREED TO COMPLY WITH THE POLICY, AND (D) UNDERSTANDS THE CORPORATION IS CHARITABLE AND IN ORDER TO MAINTAIN ITS FEDERAL TAX EXEMPTION IT MUST ENGAGE PRIMARILY IN ACTIVITIES WHICH ACCOMPLISH ONE OR MORE OF ITS TAX-EXEMPT PURPOSES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TREASURER PROPOSED THE SALARY AND COMPENSATION AND IT WAS THEN APPROVED BY THE FULL BOARD, EXCLUDING ELIZABETH AND RICHARD MULLER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>PROFESSIONAL/SCIENTIFIC SERVICES: PROGRAM SERVICE EXPENSES 141,548. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 141,548. PROFESSIONAL/MARKETING &amp; SOCIAL MEDIA: PROGRAM SERVICE EXPENSES 1,227. MANAGEMENT AND GENERAL EXPENSES 10. FUNDRAISING EXPENSES 38. TOTAL EXPENSES 1,275. OTHER CONTRACT SERVICES: PROGRAM SERVICE EXPENSES 638. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 638.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>