Pushing Our Limits: Insights from Biosphere 2

Pushing Our Limits is a fresh examination of Biosphere 2, the world’s first man-made mini-world, twenty-five years after its first closure experiment. Author Mark Nelson, one of the eight crew members locked in the enclosure during the 1991–1993 experiment, offers a compelling insider’s view of the dramatic story behind Biosphere 2.

Biosphere 2 helped change public understanding of what our global biosphere is and how it provides for our health and well-being. However, the experiment is o...