As executive director of the Great Lakes Observing System, she’s leading a campaign to map every meter of the lakes’ bottom.

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

Warmer temperatures and reduced ice cover on the Great Lakes are making Michigan winters messier, leading to more intense ...

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 ...