That fertilizer soaking into your lawn after a storm has to go somewhere, and where it ends up could be poisoning the lakes ...

Karenia cristata, a rare type of microscopic algae that produces toxins that harm nerve cells, can be lethal at very low ...

One storm delivered most of the fuel for this summer’s bloom, renewing questions about the adequacy of runoff reduction efforts.

The bloom is expected to be higher than last year, peak in August and remain mostly in the western basin, according to the seasonal forecast.

They say a 'moderate' bloom is in store, but a lot depends on the weather.

More than 20 Ohio beaches have advisories ahead of July 4 weekend, including four banning swimmers because of toxic algae.

CLEVELAND, Ohio – Lake Erie is expected to experience a moderate harmful algal bloom this summer that should begin sometime in July and intensify in August, according to the scientists who monitor the ...

Harmful algal blooms have been reported on two notable lakes in West Michigan: Gun Lake and Muskegon Lake. The Michigan ...

This summer's harmful algal bloom looking similar to moderate ones in recent years past. Does that mean progress is being made?

Despite a spike in harmful algae, marine mammal and bird rescue agencies haven’t seen a surge in symptoms indicating domoic ...

When bright green water appeared in the newly renovated Lincoln Memorial Reflecting Pool, it drew national attention and sparked political finger-pointing. The culprit: cyanobacteria—sometimes called ...

Algal blooms in the Lincoln Memorial Reflecting Pool in Washington, D.C., have long been a visible public nuisance. When the pool turned green again on June 15, less than two weeks after President ...