Sites from research institutions and others focused on closed or controlled life support systems, biological or chemical, suitable for use in space colonies.
Sites 3
- Biosphere 2 Center 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.
- International Space Exploration & Colonization Co A non-profit organization developing technologies for colonizing space, including a biosphere-style closed ecological life support system (CELSS).
- NASA - Advanced Life Support Examples of advance life support research at NASA Ames.