Mercury pollution might not give fish three eyes, but it does make them dangerous to eat. Image credit: True/Slant Until 1970, mercury was not classified as a dangerous compound in the United States. Before the metal was regulated, it was used extensively in industry—especially in paper making and chemical refining processes. Much of this industry lined the banks of the Great L… Read the full story on TreeHugger
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Mercury Levels on the Rise in Lake Erie After Decades of Decline
