The Great Lakes' ice coverage was lagging behind average for much of the winter. Now, coverage is above average for some ...

The Great Lakes region contains nearly 85 percent of North America's surface freshwater ... an estimated 4 billion tons of copper-nickel ores that may be worth more than $1 trillion. [Click here or on ...

The Great Lakes region contains nearly 85 percent of North America's surface freshwater ... an estimated 4 billion tons of copper-nickel ores that may be worth more than $1 trillion. [Click here or on ...

The dip of Arctic air into the Midwest expanded ice coverage across all 5 Great Lakes, some seeing greater increases than ...

Ice growth on the Great Lakes requires long spells of subfreezing temperatures like we’ve seen of late. The shallower lakes—Erie and Huron—are the first to build significant surface ice, with the ...