Future Fossils

This week’s episode is the first of a special two-part conversation with Dr. Mark Nelson, one of the eight “biospherians” who lived for two years inside the closed ecological network Biosphere 2 – one of the most ambitious experiments ever performed, the reproduction of five distinct biomes inside a building in the Arizona desert. Mark is the author of the newly-published history of his experience in Biosphere 2, called Pushing Our Limits – he’s also the author of The Wastewater Gardener, which applies the same closed-loop, full-system ecological thinking to more easily attainable forms of agriculture. I know Mark through my lucky acquaintance with Synergia Ranch just outside Santa Fe (where I am right now, editing this episode) – the home base for The Institute of Ecotechnics, the group that pioneered the discipline of “Biospherics,” and the hub for a planetary network of brilliant, passionate, eclectic individuals whose stories never cease to blow my mind. Mark’s tale of his two years living under glass wit