DULUTH, MN (KDAL) - Despite a variety of environmental and ecological threats, Lake Superior is faring the best among the five Great Lakes according to a project conducted by the University of Michigan. The Great Lakes Environmental and Mapping (GLEAM) project shows most of Lake Superior to be blue in color except for the red areas around Duluth and the other ports. That means the stresses such as toxic sediments, sewage, invasive species and habitat destruction are higher in the port areas of Lake Superior and other port cities along the Great Lakes. The project found that Lake Ontario is the most "stressed" among the Great Lakes.
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