Controlled Ecological Life Support System-related activities in Japan

This article provides an overview of current CELSS-related activities in Japan. The status and future plan of the Closed Ecology Experiment Facilities (CEEF), the so-called, "Biosphere-J," are introduced. The Institute for Environment Sciences (ICE) has completed its first construction plan of the Closed Plant Experiment Facility (CPEF) and is now constructing the Closed Geo-Hydrosphere Experiment Facility (CGEF). Next, as one of the most prospective applications of CELSS technologies, introduced is the space-related CELSS research activity in the Space Environment Utilization Frontiers Joint Research Program, which was promoted by Science and Technology Agency (STA) and National Space Development Agency (NASDA) of the Japanese government to encourage the Space Station utilization activities.