Yokohama-shi environmental management plan
Yokohama-shi environmental management plan is plan to promote measure about environment generally and premeditatedly based on the basic regulations about maintenance of Yokohama-shi environment and creation. History of Yokohama-shi environmental management plan began in what was devised to cope with industrial model pollution and city, ecotype pollution, citizen's needs for comfortable environment in March, 1986 (Showa 61). Following the fact that Environmental Basic Law was established in November, 1993 (Heisei 5), we established the basic regulations about maintenance of Yokohama-shi environment and creation in 1995 (Heisei 7) and, based on these regulations, devised plan newly. Afterwards, we repeat revisions to cope with environment-related legislation and environmental problem to become diversification, complexity and continue up to the present day.