Things are heating up below Minnesota’s waves, too; what will it mean for fisheries?

Few days go by without media attention to global warming. Writing about global warming is actually pretty low-hanging fruit because the evidence is unambiguous: the earth is warming. 
This is nothing new, at least when we recall that 21,000 years ago there was a mile-thick glacier covering parts of the Upper Midwest, one of more than 20 such glacial advances in the past 2 million years. 
All glacial retreats occurred because of global warming. However, the new part to the current warming trend is that climate (not weather) scientists think the warming is more rapid than in the past, and that there’s a strong likelihood humans have something to do with it.

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