Imagine a mini version of our beautiful Planet. A 3.14-acre sealed greenhouse with a miniature ocean, a rainforest, a desert, a mangrove swamp, a savanna and a farm. Biosphere 2 was a $150-million futuristic experiment. Built between 1987 and 1991 near Oracle, Arizona.
The beauty and wisdom of trees
The beauty and wisdom of trees
The beauty and wisdom of trees
Imagine a mini version of our beautiful Planet. A 3.14-acre sealed greenhouse with a miniature ocean, a rainforest, a desert, a mangrove swamp, a savanna and a farm. Biosphere 2 was a $150-million futuristic experiment. Built between 1987 and 1991 near Oracle, Arizona.