The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.

A toxic algae bloom is disrupting Fourth of July weekend recreation at one of the West’s most popular lakes. National Park ...

Shoreline communities are left to endure the consequences of pollution they didn’t cause. The unsightly, putrid, ...

Discovery Cruises, leaving from Lake St. Clair Metropark, begin Friday. Speakers talk about everything from shipwrecks to ...

Water quality scientists predict the harmful algae bloom on western Lake Erie this year will be relatively mild and less severe than last year.

Michigan Sea Grant Algae are natural components of ecosystems ... In 2025, NOAA detected these toxins in Lake Erie on April 28, earlier than ever before . The 2022 bloom in Lake Erie persisted into ...

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TOLEDO, OH — The annual harmful algae bloom in Lake Erie should be milder this summer than last, say forecasters who highlighted decreases in a type of key nutrient driving the icky phenomenon ...

The National Oceanic and Atmospheric Administration and its research partners forecast a mild to moderate harmful algal bloom season this summer.

Blue-green algae blooms are becoming more common in inland waters. The main sources of harmful algal blooms are excess nutrients in the water, typically phosphorus and nitrogen.