When the rivers start to dry up or are diverted, the lakes’ levels of salinity increase. [To view photos, videos and interactive maps, click here.] Get Top Stories newsletter.

Beneath the surface of waters of the Great Lakes’ connecting channels is an aggressive invader threatening ecosystems and communities: Hydrilla.

As anyone knows who’s reading this we are drinking from the Great Lakes along with 30 million other people. The Great Lakes basin has an immense value to this region.

Porter County residents look at maps during a 2016 public meeting about the proposed Great Lakes Basin Transportation railroad at the Aberdeen Manor ballroom in Valparaiso. Jonathan Miano, The Times ...

Biinaagami — meaning pure, clean water in the Anishinaabe language — makes it its mission to inspire the kind of collective action Doreen advocated. To that end, it also attended the water gathering ...

Great Lakes Basin averages 39.5% ice cover. Currently it sits at a record low of 6.9%. The precious record is from 2012, with 7.9%. Lake Superior has 5.5% ice cover, which is nearing the low from ...

Now, 40 years later, Boehme wants to launch another treasure hunt. As executive director of the Great Lakes Observing System, she's leading a campaign to map every meter of the lakes' bottom.

Officials recorded below-average water levels compared to 2024 for the Great Lakes, ranging from 1-8 inches lower. Here's what's expected in June.

The Great Lakes Water Wars by Peter Annin Island Press, 2006 320 pages, $25.95, ISBN 1559630876 Ninety-five percent of the fresh water in the United States is in the Great Lakes Basin, which is ...

About 40.8 billion gallons of water a day were withdrawn from the Great Lakes basin last year, a 3% decrease compared to the previous year, a study found.

While Great Lakes water levels were up in early May from the previous month, the U.S. Army Corps of Engineers says they are all lower than their 2024 averages, by as much as 8 inches.