Too Many Canaries!

"The Great Lakes in a lot of ways have always been a canary in the coal mine,"

"And it seems the canary's song is growing ever more halting."

"Lake Superior, which is the largest, deepest and coldest of the five lakes, is serving as the "canary for the canary," Davis said at a public meeting of the Interagency Climate Change Adaptation Task Force last week, pointing to recent data trends."

Taken from Scientific American.