From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...

In a move hailed by conservationists as “historic”, the island nation of São Tomé and Príncipe has become the first country in the world to have its entire territory designated as a UNESCO Biosphere ...

The Amazon rainforest is like nowhere else on the planet. But so is the Lacandón Jungle, and it's right here in Mexico!

The U.N. cultural agency UNESCO has designated 26 new biosphere reserves. Scientists, residents and officials cooperate in the reserves to preserve important areas of ecological biodiversity and ...

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 ...

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly plugging away at research... ORACLE, Ariz. — Plopped in the Sonoran Desert, ...