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Biosphere 2 Project undertaken by Space Biosphere Ventures, a private ecological research firm funded by Edward P. Bass of Texas. Candidates for 1990's Biosphere 2 project at a press conference just before being sealed inside the Biosphere for two-years. Biosphere 2 was a privately funded experiment, designed to investigate the way in which humans interact with a small self-sufficient ecological environment, and to look at possibilities for future planetary colonization.  1990