Great Lakes Toxic Algae Prompts Big Investment and Rare Political Agreement

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After last summer's toxic algae outbreak, safe drinking water is a priority again in Ohio, the state that spurred the Clean Water Act four decades ago.

Michigan Aquaculture, an Infant Industry, Attracts Powerful Opposition

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Quest for protein and profits invites challenge about pollution and waste.

Great Lakes Mayors Ask State and Federal Governments to Step Up On Algae

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Drinking water summit focuses on Toledo water crisis. Photo…

World Stands By As Algae and Dead Zones Ruin Water

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Expensive research and cleanup efforts make little headway. Photo…

Celebrating with a Blue Streak

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A new member of the Circle of Blue team introduces herself. If…
Grass carp Aquatic Invasive species Asian carp Lake Erie U.S. Fish and Wildlife Service Great Lakes Threat

Great Lakes States to Track Asian Carp and Prepare for Future Invasions

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Using invasive carp already present in Lake Erie, agencies practice response for more damaging species.

Lake Erie Algae Bloom Hits Pelee Island, Moves Toward Sandusky

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Lake Erie algae alive and well. Photo courtesy T. Archer /…

Infographic: Toxic Algae in Ohio Drinking Water Sources

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Algae toxins have been found in seven lakes, reservoirs, and rivers that supply drinking water to 1 million people.

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.