Constructed between 1987 and 1991, Biosphere 2 was planned to experiment with the viability of closed ecological systems to support and maintain human life in outer space [4] as a substitute …

Biosphere 2 features a diverse array of complex, interconnected biomes and active research systems. Unlike in the natural world, scientists at Biosphere 2 can precisely control and isolate …

Jul 5, 2025 · In recent years, however, many experts have come to see the Biosphere 2 experiment in a new light, with valuable lessons about ecology, atmospheric science and …

Biosphere 2, the greatest experiment ever conducted in ecological self-organization, revolutionized the field of experimental ecology. We proved that a sealed ecosystem can work …

May 12, 2020 · In the 1990s, eight adventurers spent two years separated from the rest of the world inside a futuristic greenhouse meant to mimic a spaceship—on Earth. It was the ultimate …

Mar 6, 1994 · Biosphere 2, scientific research facility located in Oracle, Arizona, U.S., designed to emulate Earth’s environment (Biosphere 1) that was perhaps best known for two missions …

Jul 11, 2025 · Elah: In the fall of 1991, eight people embarked on an epic experiment. For two years, a small crew would live inside Biosphere 2 in Arizona, along with thousands of carefully …

Sep 23, 2025 · Biosphere 2 first became famous as the human experiment of the 1990s that sealed a group of eight researchers inside its 3 acres of diverse ecosystems for two long …

The short video (below) illustrates what it was like to live for two years inside Biosphere 2, a 3.15 acre closed system that was a laboratory for the study of global ecology.

Oct 4, 2021 · Here in Biosphere 2, the world’s largest controlled environment dedicated to climate research, scientists can tinker with scaled-down ecosystems by switching off sprinklers and …