Sites from research institutions and others focused on closed or controlled life support systems, biological or chemical, suitable for use in space colonies.
Arizona University environmental research activities and education programs in the "living laboratory" originally built for an experiment to test the feasibility of humans living in a closed ecosystem.
A non-profit organization developing technologies for colonizing space, including a biosphere-style closed ecological life support system (CELSS).
Examples of advance life support research at NASA Ames.
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