Sustaining The Biosphere Essay
No toxic chemicals could be used, since they would quickly impact health.During the first year the eight inhabitants experienced hunger as they adapted.They recycled water including human waste, maintained a healthy atmosphere and tended a small agricultural area.
Health of the human crew was monitored by a medical doctor inside and an outside medical team.
Three closures with one human inhabitant were carried out.
This allowed advance modeling of Biosphere 2’s ability to maintain carbon dioxide at acceptable levels.
In 1995, Columbia University took over management of the facility for research and as a campus until 2003.
In 1996, they changed the virtually airtight, materially-closed structure designed for closed system research, to a “flow-through” system, and halted closed system research.