Advanced life support bibliography and technical analyses at NASA Ames.

Columbia University environmental research activities and education programs in the Arizona "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).

Gravitational biology, and links to other sites working under NASA's biology-related centers for research and training, including research on CELSS.

Studies of crop production on the lunar surface; surviving the long lunar night.