![]() | Pushing Our Limits: Insights from Biosphere 2 Dr. Mark Nelson was a member of the eight-person "biospherian" crew for the first two-year closure experiment. He is a founding director and the chairman of the Institute of Ecotechnics and has worked for decades in closed ecological system research, ecological engineering, the restoration of damaged ecosystems, desert agriculture and orchardry, and wastewater recycling. He is the author of The Wastewater Gardener: Preserving the Planet One Flush at a Time and co-author of Space Biospheres and Life Under Glass: The Inside Story of Biosphere 2 . |
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