Ecologists studying the tropical forest biome in Biosphere 2 near Tucson, say it is very similar to being in a natural rainforest. Credit: Chris Richards/University of Arizona PHOENIX – Step inside ...

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 ...

ORACLE, Ariz. — Plopped in the Sonoran Desert, just outside Tucson, Ariz., sits a massive, multilevel greenhouse that's probably best known as the inspiration for a Pauly Shore movie. A slick, stepped ...

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.

Averaging 100,000 visitors per year, the University of Arizona’s Biosphere 2 provides an opportunity for science and the public to have a better dialogue. The sprawling 40-acre campus in Oracle, Ariz.

Visitors approach Biosphere 2 from above and descend to the entrance. If you’re younger than age 35 and reside outside the Southwest, it’s unlikely you’ve heard of Biosphere 2. The 3.14-acre complex ...

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 ...

Step inside Biosphere 2’s tropical rainforest, which thrives beneath an enormous glass dome, and visitors are met by a wall of warm humidity and lush greenery. The sprawling complex north of Tucson ...