New research suggests an ancient hotspot helped shape the Great Lakes, challenging traditional formation theories.

The Great Lakes have been brutally compromised over the years, by overfishing and industrial pollution for example, and more recently by the outbreak of toxic algal blooms in Lake Erie. Perhaps the ...

Above: Satellite view of the Great Lakes on a recent clear day (December 22, 2019), showing less than 2% overall ice cover, about normal for this point in the winter, mainly in Green Bay and ...

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...

CLEVELAND, Ohio – The Great Lakes have been brutally compromised over the years, by overfishing and industrial pollution for example, and more recently by the outbreak of toxic algal blooms in ...