||National Institute for Public Health established
||National Institute for Environmental Studies (NIES) established
||Designation of NIES in Japanese changed
||Waste Management Engineering Division established in National Institute for Public Health
||Ministry of the Environment established as part of administrative reforms of the Japanese government (centralization of waste administration). Waste Management Research Division established in NIES (by transferring and integrating Waste Management Engineering Division from National Institute for Public Health)
||NIES established as an incorporated administrative agency. Waste Research Division expanded to Research Center for Material Cycles and Waste Management.
||Name of the Center changed to Center for Material Cycles and Waste Management Research (CMW).