Where mercury comes from
Published 10/05/2012, Duluth News Tribune
Mercury from coal combustion, volcanoes and other sources goes into the air and then falls back to Earth in rain and snow. In the U.S., about half of all mercury emissions come from coal-fired power plants. In Minnesota, taconite plants also are a large source of mercury emissions. Both industries are moving to cut their mercury emissions.Word count: 148
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