613 - Mark Nelson (Biospherian)

Mark Nelson is an American ecologist and author based in Santa Fe, New Mexico. His research focuses on closed ecological system research, ecological engineering, restoration of damaged ecosystems, and wastewater recycling. Nelson was one of the eight original crew members of Biosphere 2 in 1991. Marks books can be found here and here.

Intro music “Brightside of the Sun,” by Basin and Range; “If I had a Million Dollars,” by Barenaked Ladies; Outro: “Smoke Alarm,” by Carsie Blanton.

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