AES CORP COM 00130H105 125643 5346500 SH SOLE 5346500 0 0 BP PLC SPONSORED ADR 055622104 60985 2972000 SH SOLE 2972000 0 0 ENVIVA PARTNERS LP COM UNIT 29414J107 219600 4834867 SH SOLE 4834867 0 0 HAWAIIAN ELEC INDUSTRIES COM 419870100 114900 3246668 SH SOLE 3246668 0 0 INGEVITY CORP COM 45688C107 34534 456010 SH SOLE 456010 0 0 LINDBLAD EXPEDITIONS HLDGS I COM 535219109 34210 1998247 SH SOLE 1998247 0 0 NIKOLA CORP COM 654110105 156803 10275437 SH SOLE 10275437 0 0 STRATEGIC ED INC COM 86272C103 132277 1387565 SH SOLE 1387565 0 0 UNIFI INC COM NEW 904677200 25139 1417054 SH SOLE 1417054 0 0 VERRA MOBILITY CORP COM 92511U102 82359 6137000 SH SOLE 6137000 0 0