Arizona teachers plan more walk-ins as a Thursday strike looms.
Biosphere 2 Director Reflects On 10 Years Of UA Management
This is a big year for Biosphere 2, the futuristic-looking campus northeast of Tucson. It's been 10 years since the University of Arizona began managing Biosphere 2.
Biosphere 2 will host a series of events on Saturday in honor of Earth Day — including tours, lectures and a ladybug release.
We talked to John Adams, Biosphere 2's deputy director, about the anniversary.
EDITOR'S NOTE: This story has been modified to correct that the University of Arizona's manages Biosphere 2.