A frozen lake in Czechia turned an ominous green color, a warning sign of ecological changes due to a warming climate.

Although some kinds of blue-green algae are a perfectly normal part of natural systems, some varieties can spell trouble ...

Like many bodies of water, Lake Lipno is no stranger to cyanobacteria. The photosynthetic blue-green algae typically ...

The Florida Department of Health in Volusia County (DOH-Volusia) cautions the public about the presence of harmful blue-green ...

FORT MYERS, Fla. — Inside an air-conditioned lab in southwest Florida floats a summer scourge. “They've been around, we think, three and a half billion years,” said Dr. Barry Rosen, a professor at The ...

Signs have been posted in a South Miami neighborhood warning about blue green algae that may be in canal water and that leaves some poisonous substances or toxins in it.

The Florida Department of Health in Orange County issued a warning about blue-green algae in Lake Gatlin. Testing of water ...

Blue-green algae can be toxic to people and pets, and the Florida Department of Health in Volusia County issued tips to help ...

A look into the messy problem and what's being done about it. — -- As an "unprecedented" amount of toxic algae blooms continues to infest miles of southern Florida's coastline and waterways, many ...

ORANGE COUNTY, Fla. — The Florida Department of Health in Orange County (DOH-Orange) cautions the public of the presence of blue-green algae in Lake Killarney (Killarney Drive). With water sample ...