Water and air pollution: two reports on cleanup efforts. 1. The battle of Lake Eire: eutrophication and political fragmentation.
D004782:Environmental Health; D006076:Government; D009820:Ohio; D010710:Phosphates; D012722:Sewage; D014481:United States; D014876:Water Pollution / Q000517:prevention & control*
D010710:Phosphates; D012722:Sewage