Near Tucson, Arizona is the Biosphere II, a modern-day $200 million dollar tightly sealed ecosystem. It was originally constructed to determine if people could live for a particular length of time in a sealed environment. Now its used for research, education and public outreach activities. General tours are given daily except on Christmas Day – Reservations are recommended for the “Under the Glass Tour.”
The general tours take about 2.5 hours and explores a bunch of highlights including the human habitation area, the “wilderness” areas, and a million gallon ocean. The technosphere are the mechanical systems that control the various Biosphere II environments. A tropical rainforest is also a highlight containing over 150 species of plants. For more information visit: www.b2science.org
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