Biosphere 2 is a scientific research station owned by the University of Arizona. It was constructed in 1987-1991 as an American Earth System Science research facility. At one time Columbia University managed Biosphere 2 until the University of Arizona took it over in 2011.
Originally Biosphere 2 was used to demonstrate the viability of closed ecological systems to maintain human life in outer space. Today they are conducting research on sustainability and production of food on Mars along with soil erosion and water. The complex has seven biome areas; a rain forest, ocean and coral reef, mangrove forest, fog desert, savanna grassland, agriculture system, model city and human habitat living spaces.
The University of Arizona has has many research projects they are conducting along with providing summer camps for students, conferences, and tours for the public. The complex is made of glass domes and makes for a fascinating and informative place to visit. Biosphere 2 is just 20 miles north of Tucson near Oracle, Arizona.
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