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Great Lakes foster different type of comeback

Call Michigan the comeback state.

We have the fastest job growth anywhere, and native lake trout are filling up the Great Lakes.

But there's another native making a big comeback, and it's not going to be pretty.

In the 1960s and '70s, we had huge problems with a kind of slimy green algae called Cladophora. It would grow in thick mats on the bottom of shallow lakes and near the shores of deeper waters.  more...