Environment: Comeback for the Great Lakes

After decades of abuse, they are getting cleaner

"Lake Erie is a dead lake. Save the rest of the Great Lakes." So went the environmentalists' plaint during the 1960s. Lake Erie was not, in fact, quite dead, but it was suffering from a variety of serious disorders, including a seemingly uncheckable algae growth that, like a fast-spreading cancer, was choking off the other forms of life. Though the remaining four of North America's great chain of lakes¬óSuperior, Michigan, Huron and Ontario¬ówere less diseased, they too showed symptoms of serious, man-made illness.

The Cuyahoga...

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