Pollution in Japan caused a number of issues in the 60s, things were probably starting to get better in the 70s when their environmental agency was formed, but

Pollution in Japan caused a number of issues in the 60s, things were probably starting to get better in the 70s when their environmental agency was formed, but no doubt issues remained. This maybe of interest as a reference: https://en.m.wikipedia.org/wiki/Four_Big_Pollution_Diseases_of_Japan https://en.m.wikipedia.org/wiki/Four_Big_Pollution_Diseases_...