It is happening for the last 30 years. The northern U.S. lakes have been losing annual ice cover earlier each year. A University of Wisconsin study reportedly suggests this. From 1971 to 2002, researchers re-examined ice trends for 56 lakes across...
Northern US Lakes Losing Ice Coverage
Made Popular Nov 30 2005
It is happening for the last 30 years. The northern U.S. lakes have been losing annual ice cover earlier each year. A University of Wisconsin study reportedly suggests this. From 1971 to 2002, researchers re-examined ice trends for 56 lakes across...
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