As a man, who was in Japan, I can say that there is no any serious ecological problems there. Japaneses like their islands. They take care about their environment. However there is some polution in some regions. But Japan try to solve such problems. You can not see any dropped bottle on a road or sheets of paper in the wind. Anyway some place in the Japanese Sea is not clear. Solving of this problem is in process now. I am really delight it. I wish ecological problems in Russia were solved this way.