After two months of controlled drought, Biosphere 2’s tropical rainforest is dancing in the rain once again. The University of Arizona’s Biosphere 2, located north of Tucson, is home to several ...

ORACLE, Ariz. — They lived for two years and 20 minutes under the glass of a miniature Earth, complete with an ocean, rain forest, desert, grasslands and mangroves. Their air and water were recycled, ...

ORACLE, Ariz. (KVOA) — Just about an hour out of Tucson is the world's largest controlled environment dedicated to understanding the impacts of climate change. We're talking about the University of ...

Biosphere 2 was touted as a new Noah’s Ark, a new Garden of Eden, a way to test how humans might colonize other worlds and study the effects of greenhouse gasses on Biosphere 1 — aka the Earth. Eight ...

ORACLE, Ariz. – They lived for two years and 20 minutes under the glass of a miniature Earth, complete with an ocean, rain forest, desert, grasslands and mangroves. Their air and water were recycled, ...

Biosphere 2 was a highly ambitious experiment to simulate a self-sustaining Mars colony in the Arizona desert. Eight men and women locked themselves inside for 2 years and experienced one incredible ...

Dear EarthTalk: What ever became of the Biosphere 2 project in Arizona and what did we learn from it? – B.C., Tampa, FL Biosphere 2 project began in 1984, led by John Allen who called it “The Human ...

Most days, you’ll find Joost van Haren tromping through Arizona’s only tropical rainforest. An assistant research professor at the UA, van Haren works in the rainforest at Biosphere 2—in the middle of ...

Thirty years ago last month, on Sept. 26, 1993, a group of eight weary, visionary adventurers “returned” to Earth after two years of living together in a miniature version of our world — a ...

Nestled in the foothills of the Catalina Mountains, around 31 miles from Tucson, there exists an oasis; a collection of environments one would never anticipate to exist in the scorched Arizona desert.

Biospherians (left to right): Jane Poynter, Linda Leigh, Mark Van Thillo, Taber MacCallum, Roy Walford (in front), Abigail Alling, Sally Silverstone and Bernd Zabel inside the Biosphere 2 in 1990. In ...