Arizona’s Biosphere 2 Project Continues Mission of Exploring a Changing Planet

Built in 1991 to study the prospects of humans in outer space, the facility is fertile ground for earth science experiments

The Biosphere 2 ecological research complex in Oracle, Ariz., on Jan. 11, 2023. Allan Stein/The Epoch Times

ORACLE, Arizona—From the outset, the Biosphere 2 project had all the ingredients of a large-scale earth science experiment with profound implications for human survival in outer space.

Could a small group of people live and thrive in a pyramid-shaped building reminiscent of a Frank Lloyd Wright masterpiece, sealed off from the world?