Founder and executive director of the Lake Institute, Mike Koopal, and limnologist Cassie Roberts shared good news and bad ...

In Whitefish Bay, a plan to replace biologically rich Cahill Park cattail marsh with grass has been questioned by local ...

Lake whitefish in the upper Great Lakes are vanishing — not because they’ve stopped spawning, but because their young are failing to survive. In parts of Lake Michigan and Lake Huron, harvests have ...