How climate change could make mercury pollution worse

LiveScience: Mercury pollution and climate change are both unintended consequences of burning fossil fuels for centuries. A new study finds another link between the two problems: Climate change has the potential to make mercury pollution worse. Mercury is a particularly persistent pollutant, and sticks around in surface waters and the air for centuries, said Dave Krabbenhoft, a researcher at the U.S. Geological Survey in Middleton, Wis. As a volatile metal, it vaporizes at relatively low temperatures, and......

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