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            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>941113237</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>3900000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>REGULATORY ASSISTANCE PROJECT</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>50 STATE STREET SUITE 3</AddressLine1Txt>
            <CityNm>MONTPELIER</CityNm>
            <StateAbbreviationCd>VT</StateAbbreviationCd>
            <ZIPCd>056022957</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote energy efficiency</GrantOrContributionPurposeTxt>
          <Amt>1400000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>VOTE SOLAR</BusinessNameLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94612</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote clean energy</GrantOrContributionPurposeTxt>
          <Amt>1500000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>UNITED STATES ENERGY FOUNDATION</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>301 Battery Street 5th Fl</AddressLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>941113237</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>2000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>NATIONAL FOUNDATION FOR THE CTRS FOR DISEASE CNTR</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>600 PEACHTREE STREET NORTHEAST ST</AddressLine1Txt>
            <CityNm>ATLANTA</CityNm>
            <StateAbbreviationCd>GA</StateAbbreviationCd>
            <ZIPCd>30308</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Pandemic response efforts</GrantOrContributionPurposeTxt>
          <Amt>77465</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>PARTNERSHIP PROJECT INC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>PO Box 65826</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20035</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>3000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>LEAGUE OF CONSERVATION VOTERS EDUCATION FUND</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
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            <CityNm>Washington</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20005</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>5300000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SIERRA CLUB FOUNDATION</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>2101 Webster Street Ste 1250</AddressLine1Txt>
            <CityNm>OAKLAND</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94612</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote energy efficiency</GrantOrContributionPurposeTxt>
          <Amt>150000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>UNITED STATES ENERGY FOUNDATION</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>301 Battery Street 5th Fl</AddressLine1Txt>
            <CityNm>SAN FRANCISCO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>941113237</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>General operating support</GrantOrContributionPurposeTxt>
          <Amt>4000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>BLUEGREEN ALLIANCE FOUNDATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>2701 University Avenue SE Ste 20</AddressLine1Txt>
            <CityNm>MINNEAPOLIS</CityNm>
            <StateAbbreviationCd>MN</StateAbbreviationCd>
            <ZIPCd>55414</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote energy efficiency</GrantOrContributionPurposeTxt>
          <Amt>100000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CLIMATE SOLUTIONS</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1402 Third Ave Ste 1200</AddressLine1Txt>
            <CityNm>Seattle</CityNm>
            <StateAbbreviationCd>WA</StateAbbreviationCd>
            <ZIPCd>98101</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote energy efficiency</GrantOrContributionPurposeTxt>
          <Amt>100000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>UNIVERSITY OF WASHINGTON FOUNDATION</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>407 Gerberding Hall Box 351210</AddressLine1Txt>
            <CityNm>SEATTLE</CityNm>
            <StateAbbreviationCd>WA</StateAbbreviationCd>
            <ZIPCd>981951210</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote energy efficiency</GrantOrContributionPurposeTxt>
          <Amt>150000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>TIDES FOUNDATION</BusinessNameLine1Txt>
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          <RecipientUSAddress>
            <AddressLine1Txt>PO Box 29903</AddressLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>941290903</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote clean energy</GrantOrContributionPurposeTxt>
          <Amt>1500000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SIERRA CLUB FOUNDATION</BusinessNameLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
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          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote clean energy</GrantOrContributionPurposeTxt>
          <Amt>1700000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>GRIDLAB INC</BusinessNameLine1Txt>
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            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94704</ZIPCd>
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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Promote clean energy</GrantOrContributionPurposeTxt>
          <Amt>650000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>UNITED STATES ENERGY FOUNDATION</BusinessNameLine1Txt>
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            <CityNm>SAN FRANCISCO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
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          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
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        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>ROCKEFELLER PHILANTHROPY ADVISORS INC</BusinessNameLine1Txt>
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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>300000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>ROCKEFELLER PHILANTHROPY ADVISORS INC</BusinessNameLine1Txt>
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            <ZIPCd>10036</ZIPCd>
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          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>2000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>AMERICAN COUNCIL FOR AN ENERGY EFFICIENT ECONOMY</BusinessNameLine1Txt>
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            <CityNm>Washington</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20045</ZIPCd>
          </RecipientUSAddress>
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          <GrantOrContributionPurposeTxt>Promote energy efficiency</GrantOrContributionPurposeTxt>
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        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
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            <CityNm>Boulder</CityNm>
            <StateAbbreviationCd>CO</StateAbbreviationCd>
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          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
          <Amt>600000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
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            <StateAbbreviationCd>DC</StateAbbreviationCd>
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          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
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        <GrantOrContributionPdDurYrGrp>
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          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
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          <GrantOrContributionPurposeTxt>Educate public about climate and clean energy</GrantOrContributionPurposeTxt>
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        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
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          <CityNm>NEWARK</CityNm>
          <StateAbbreviationCd>DE</StateAbbreviationCd>
          <ZIPCd>19713</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>642905</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
      <ContributorInformationGrp>
        <ContributorNum>4</ContributorNum>
        <ContributorPersonNm>NATHANIEL SIMONS RENAISSANCE TRUST</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>500 STANTON CHRISTIANA RD</AddressLine1Txt>
          <CityNm>NEWARK</CityNm>
          <StateAbbreviationCd>DE</StateAbbreviationCd>
          <ZIPCd>19713</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>18374977</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <AccountingFeesSchedule documentId="AccountingFeesSch">
      <AccountingFeesDetail>
        <CategoryTxt>PREPARE FINANCIALS FOR AUDIT</CategoryTxt>
        <Amt>35976</Amt>
        <DisbursementsCharitablePrpsAmt>35976</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
      <AccountingFeesDetail>
        <CategoryTxt>PREPARE AUDITED FINANCIALS</CategoryTxt>
        <Amt>18790</Amt>
        <DisbursementsCharitablePrpsAmt>18790</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
      <AccountingFeesDetail>
        <CategoryTxt>PREPARATION OF FORM 990-PF</CategoryTxt>
        <Amt>121452</Amt>
        <DisbursementsCharitablePrpsAmt>94515</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <DepreciationSchedule documentId="DepreciationSch" />
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>MEDALLION CAPITAL INV. LTD.</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>47208</BookValueAmt>
        <EOYFMVAmt>47208</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>MERITAGE HOLDINGS LTD.-CLASS A</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>188436388</BookValueAmt>
        <EOYFMVAmt>188436388</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>MENDOCINO LONG OFFSHORE LTD</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>18766745</BookValueAmt>
        <EOYFMVAmt>18766745</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>RENAISSANCE INST. DIVER. ALPHA</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>69021265</BookValueAmt>
        <EOYFMVAmt>69021265</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <LegalFeesSchedule documentId="LegalFeesSch">
      <LegalFeesGrp>
        <CategoryTxt>GENERAL CORPORATE COUNSELING</CategoryTxt>
        <LegalFeesAmt>34139</LegalFeesAmt>
        <DisbursementsCharitablePrpsAmt>39512</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
    </LegalFeesSchedule>
    <OtherAssetsSchedule documentId="OtherAssetsSch">
      <OtherAssetsScheduleGrp>
        <Desc>FUNDS IN TRANSIT</Desc>
        <BOYBookValueAmt>40000000</BOYBookValueAmt>
        <EOYBookValueAmt>19000000</EOYBookValueAmt>
        <EOYFMVAmt>19000000</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>BANK FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>78</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>78</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>FEES &amp; LICENSES</Desc>
        <RevenueAndExpensesPerBooksAmt>300</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>300</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>MEMBERSHIP AND DUES</Desc>
        <RevenueAndExpensesPerBooksAmt>250950</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>250950</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>LOAN FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>7083</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>7083</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>INSURANCE</Desc>
        <RevenueAndExpensesPerBooksAmt>18031</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>18031</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>FROM K-1 INVESTMENT</Desc>
        <RevenueAndExpensesPerBooksAmt>0</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>1085980</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>FEDERAL EXCISE TAX BENEFIT</Desc>
        <RevenueAndExpensesPerBooksAmt>260150</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherLiabilitiesSchedule documentId="OtherLiabSch">
      <OtherLiabilitiesDetail>
        <Desc>FEDERAL EXCISE TAX PAYABLE</Desc>
        <BOYBookValueAmt>470000</BOYBookValueAmt>
        <EOYBookValueAmt>0</EOYBookValueAmt>
      </OtherLiabilitiesDetail>
      <OtherLiabilitiesDetail>
        <Desc>DEFERRED EXCISE TAX LIABILITY</Desc>
        <BOYBookValueAmt>845189</BOYBookValueAmt>
        <EOYBookValueAmt>730039</EOYBookValueAmt>
      </OtherLiabilitiesDetail>
    </OtherLiabilitiesSchedule>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>STATE TAX</CategoryTxt>
        <Amt>471</Amt>
        <DisbursementsCharitablePrpsAmt>471</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>
