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International effort cuts pollution in Lake Superior basin

A joint program, established in 1991, between the United States and Canada is on track to reduce nine toxic chemicals like mercury and PCBs by 2020. According to Minnesota Public Radio, a draft report says sources of pollution around Lake Superior have cut mercury emissions by 80 percent and dioxins by 85 percent.
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A joint program, established in 1991, between the United States and Canada is on track to reduce nine toxic chemicals like mercury and PCBs by 2020. According to Minnesota Public Radio, a draft report says sources of pollution around Lake Superior have cut mercury emissions by 80 percent and dioxins by 85 percent.

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One in 10 babies born near Lake Superior shows unsafe levels of mercury

The Minnesota Health Department study says the findings suggest pregnant women in the Lake Superior area "have mercury exposures that need to be reduced." Even small amounts of toxic mercury can harm developing brains and nervous systems.

Most of state's air pollution comes from vehicles

MPR reports two-thirds of the toxic chemicals in our air come from the tailpipes of automobiles, ATVs and boats. The Twin Cities area has so much pollution that it could soon fall short of federal standards, and pollution officials say metro residents may need to change their habits.

Report: Ice coverage on Lake Superior down 79 percent since 1973

According to an American Meteorological Society report, the amount of ice covering all the Great Lakes has dropped more than 70 percent over the past 40 winters. The Duluth News Tribune reports the study doesn't include the 2011-12 season. As of this winter, only about five percent of the Great Lakes froze. The lead researcher says a lack of ice coverage can reduce water levels, damage water quality and accelerate shoreline erosion.

Report estimates 1.4 million pounds of pollutants dumped into Minnesota rivers annually

According to the report by Environment Minnesota, about half of the toxic chemicals are dumped into the Mississippi River. The Blue Earth and Rainy rivers also rank high in industrial pollutants.