Tangentially Speaking with Chris Ryan
Tangentially Speaking with Christopher Ryan
613 - Mark Nelson (Biospherian)
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613 - Mark Nelson (Biospherian)

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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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Tangentially Speaking with Chris Ryan
Tangentially Speaking with Christopher Ryan
Tangentially Speaking is dedicated to the idea that good conversation is organic, uncensored, revelatory, and free to go down unexpected paths with unconventional people.