Robert Michael McKay

Ice on Lake Erie provides winter light for algae thriving below. Sue Thompson

Losing winter ice is changing the Great Lakes food web – here’s how light is shaping life underwater

In winter 2023-24, the Great Lakes’ ice cover was near record lows, peaking at just 16%. Researchers explain how diminishing ice could have consequences for fisheries, and how species are evolving.
The effects of climate change are heightened in urban areas and impose a high financial burden to the municipalities. THE CANADIAN PRESS/Nathan Denette

Warmer, wetter, wilder: 38 million people in the Great Lakes region are threatened by climate change

Shoreline communities are already faltering under the weight of billions of dollars in damages — and worrying that climate change will continue to make things even worse.
A harmful algal bloom in the western basin of Lake Erie in August 2017. (NOAA/Aerial Associates Photography, Inc. by Zachary Haslick/flickr)

Great Lakes waters at risk from buried contaminants and new threats

The Great Lakes contain reservoirs of legacy contaminants, mostly in their sediments, that are vulnerable to resuspension.

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