The main objective of this COE program is to establish the sustainable society by developing leading edge water treatment systems, appropriate waste disposal and recycling systems, and technologies for sustainable infrastructures. In order to accomplish it, we have set up the following three sub-groups; 1) Water Metabolic System Group, 2)Waste Metabolic System Group, and 3) System for Sustainable Infrastructure Group.

Water Metabolic System (Group 1), which works on the establishment of water metabolic system attempts to integrate the study results of leading edge water and wastewater treatment systems using membrane filtration and resource recovery technology from wastewater, aiming to develop elemental technologies concerning autonomous water utilization and recycling system over the next five years.
Waste Metabolic System (Group 2), which is in charge of construction waste metabolic system attempts to integrate the study results on appropriate final disposal system for solid waste and resource recovery technology from waste material, aiming to establish elemental technologies concerning urban mine, urban forest and parks utilizing secure landfills over the next five years.
System for Sustainable Infrastructure (Group 3), which works on the development of system for sustainable infrastructures attempts to develop highly durable and recyclable construction materials and repairing/retrofitting technology for prolonging service life of structures, as well as methods for life cycle prediction of concrete structures over the next five years.We will also develop the comprehensive management methods in order to integrate the overall study results of these three groups.