The infamous Biosphere 2 closed-ecosystem project outside Tucson, Ariz., first inhabited by eight people in 1991, is the best example of an approach not to take.
Researchers transported 20 local pine trees into Biosphere 2, keeping half in standard temperatures and warming the others by 7 degrees Fahrenheit.
Another important effect of Biosphere 2 is social, said Winters.
But space-suited theatrics and Noah’s ark overtones aside, Biosphere 2 was still the world’s most ambitious test tube.
Half factory, half unkempt-looking greenhouse, the great glass structure that is Biosphere 2 is open to the public, to students and to scientists conducting climate change experiments.
The original Biosphere 2 mission, though convoluted, did generate useful findings.
Because Biosphere 2 is a closed system, rainfall and aimospheric makeup can be regulated and measured, a1lowng scientists to conduct controlled experiments.
The "Under the Glass" tour guides describe some of the current research. projects, and Biosphere 2 has verg good displays on climate change and on the evolution of reefs.
For many of the 180,000 or so annual visitors, part of Biosphere 2's allure lies in its first mission as an experimental habitat for space travelers.
To anyone familiar with Biosphere 2's controversial origins, that might seem an odd notion.
Biosphere 2 was ultimately ridiculed as a research debade, as exfravagant pseudoscience.
These corals -- and the abundant fish -- are also visible from a lower, underwater level, accessible from outside Biosphere 2.
Nearly 15 years after the first managerial team of Biosphere 2 was ordered out by federal marshals, scientists yearn for a way to fulfill the true promise of Earth-in-a-bubble experiments.
A guided walking tour of the grounds includes an informative greenhouse exhibit of plants that have been useful to humans as well as detailed information on the materials used in Biosphere 2 and its construction.
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