by Robert W.Crandall
"It's one of the greatest success stories in American history," said Russell E. Train, former administrator of the US.Environmental Pro-tection Agency (EPA).
Train's enthusiasm in 1976 over the cleanup of the Great Lakes may have been excessive, but it was not wholly unwarranted. In 1965, Lakes Erie, Michigan, and Huron were so polluted that hundreds of beaches were closed. Fish perished in waters choked with algae, and raw sewage washed up on the shores.
Today, E...