Lake Erie Algae Blooms Prompt New International Targets for Phosphorus

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Current targets not enough to stop algal toxins. Image…

Toledo Issues Emergency ‘Do Not Drink Water’ Warning to Residents

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Algae toxins poison Lake Erie; 400,000 people without water. Photo…

Harmful Algal Bloom Expands in Lake Erie

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Algal bloom season is here. These tools will help you keep track. A…
Data provided by the City of Waukesha and given to Circle of Blue by Steve Edlund show clearly that water levels in the City’s deep aquifer supply are rising, not falling as Waukesha officials assert in an application to draw its water from the Great Lakes.

In Apparent Contradiction, Data Shows Waukesha’s Groundwater Levels Rising, Not Falling

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City’s case for diverting Great Lakes Water appears significantly weakened.

Oil Rupture in Line 5 Pipeline in Mackinac Straits Would Be A Mammoth Mess

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University of Michigan study provides online video scenarios…

Big Toxic Algal Bloom Again in Forecast for Lake Erie

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Lake continues trend of harmful and unsightly effect of nutrient…
Waukesha considered and then drawing its drinking water from the Fox River due to cost, health and environmental issues.

Waukesha Presses First Test of Great Lakes Water Compact

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Drinking Water Diversion Proposed For Out Of Basin City

Cause of Lake Erie’s Harmful Algal Blooms Gains More Certainty

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New research finds that agricultural practices lead to biggest…

Great Lakes Ice Cover Most Extensive in 20 Years

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Covering about 88 percent of the lakes on February 13, the ice…

Report: Fish Analysis Reveals Asian Carp Have Reproduced in Great Lakes Watershed

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A new study shows grass carp reproduced at least once in the Sandusky River, but it cannot confirm an established population.

Notes from the Field: Adventure on the High (Inland) Seas

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As reporter Codi Yeager-Kozacek's trip across Lake Michigan got a little more exciting when she sailed into an October gale, it was a fitting reminder of the difference between reporting from a desk and reporting from the field.

On the Trail of the Tiny & Troublesome Great Lakes Microplastic

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Circle of Blue reporter Codi Kozacek talks with scientists who…