Beautiful lakeside views can quickly take an ugly turn when the water begins to look like a bucket of green paint. This typically signals the arrival of a harmful algal bloom, which happens when ...

On a lake, it can look like pea soup, a green mat or blue or green paint. It might also look purplish or pink. No matter the color, it’s cyanobacteria, and it's toxic. While typically a late summer ...

A cyanobacteria bloom is expanding in western Lake Erie, covering an area of about 160 square miles from the shoreline of Monroe County, Michigan, to the shoreline of Ottawa County, Ohio. The National ...

An alga that threatens freshwater ecosystems and is toxic to vertebrates has a sneaky way of ensuring its success: It suppresses the growth of algal competitors by releasing chemicals that deprive ...

Florida's hot, wet, sunny, summer months are when toxic algae blooms are most prevalent. That's also when people want to enjoy water activities from swimming to boating to fishing. But toxins in the ...

What struck Scott Bennett most were the razor clams. The long saltwater clams, resembling old-fashioned razors, normally burrow into sand to avoid predators. But when Bennett, an ecologist, visited ...

Cyanobacteria, or blue-green algae, is the most common, potentially harmful bacteria in fresh water. Avoid swimming or high-speed water activities where algae blooms are present. Common symptoms of ...

Algae season came early to Denver this year. In early May, the Denver Department of Public Health & Environment discovered a blue-green algae bloom in Grasmere Lake at Washington Park. Usually the ...