the four major pollution-caused illnesses (Minamata disease, Niigata Minamata disease, Yokkaichi asthma, Itai-itai disease); four big pollution diseases of Japansee also 水俣病, 第二水俣病, 四日市ぜんそく and イタイイタイ病
the four major pollution-caused illnesses (Minamata disease, Niigata Minamata disease, Yokkaichi asthma, Itai-itai disease); four big pollution diseases of Japansee also 水俣病, 第二水俣病, 四日市ぜんそく and イタイイタイ病
Lingaku