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    <cusip>00130H105</cusip>
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    <titleOfClass>COM</titleOfClass>
    <cusip>03783T103</cusip>
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    <nameOfIssuer>ENVIVA PARTNERS LP</nameOfIssuer>
    <titleOfClass>COM UNIT</titleOfClass>
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    <nameOfIssuer>EXXON MOBIL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30231G102</cusip>
    <value>93627</value>
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    <nameOfIssuer>HAWAIIAN ELEC INDUSTRIES</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>419870100</cusip>
    <value>144249</value>
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    <nameOfIssuer>INGEVITY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45688C107</cusip>
    <value>51114</value>
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    <nameOfIssuer>LINDBLAD EXPEDITIONS HLDGS I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>535219109</cusip>
    <value>33609</value>
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      <sshPrnamt>1778247</sshPrnamt>
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      <Sole>1778247</Sole>
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      <None>0</None>
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    <nameOfIssuer>NIKOLA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>654110105</cusip>
    <value>142726</value>
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      <sshPrnamt>10275437</sshPrnamt>
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      <None>0</None>
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    <nameOfIssuer>NUTRIEN LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67077M108</cusip>
    <value>12610</value>
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      <sshPrnamt>234000</sshPrnamt>
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      <Sole>234000</Sole>
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    <nameOfIssuer>STRATEGIC ED INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>86272C103</cusip>
    <value>139643</value>
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      <None>0</None>
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    <nameOfIssuer>UNIFI INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>904677200</cusip>
    <value>39054</value>
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      <None>0</None>
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    <nameOfIssuer>VERRA MOBILITY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>92511U102</cusip>
    <value>96099</value>
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