Associated Press: A warmer Lake Superior could improve the chances of catching salmon and other species as well as provide benefits for the Great Lakes shipping industry.
MPR News reported that the average surface water temperature for the entire lake hit 68.5 degrees Fahrenheit.
University of Minnesota-Duluth researchers have found that summer surface temperatures in Lake Superior have increased by 5 degrees over the past 30 years.
Jay Austin, a physicist with the Large Lakes Observatory at UMD, attributes...