As parts of the eastern states experience extreme wet weather, it's a different picture in the southern oceans. A marine heat wave with sea temperatures two to three degrees hotter than normal has ...

An increase in blue-green algae blooms in a popular swimming spot just outside Thunder Bay has prompted upcoming changes to the lake's shoreline.

The state Department of Environmental Conservation activated its New York Harmful Algal Bloom System for the 2025 season, ...

Visitors are being advised to avoid contact with the water in a river over fears it could contain toxic blue-green algae. The ...

SALEM Ore. (KPTV) - As the weather warms up, Oregon Health officials are reminding people about potential toxins in the water. That includes cyanobacteria algae blooms in lakes, rivers, and reservoirs ...

Lake Hartwell touches parts of Anderson, Oconee and Pickens counties in South Carolina, as well Hart, Franklin and Stephens counties in Georgia.

Officials say a harmful algal bloom is still present at Lake Hartwell, with new tests showing toxins remain at low levels.

Lingering debris from the Palisades fire and marine mammals sickened by toxic algae remain a concern, but there is a bright ...

Florida DOH office in Indian River County issued a health advisory May 22 for a toxic algae bloom in Blue Cypress Lake, Indian River County.

Florida DOH office in Martin County issued a health advisory May 21 for cyanobacteria at Port Mayaca on C-44 Canal side of Lake Okeechobee.

To keep yourself and your pets safe, avoid water with visible algae and follow all posted warnings and closures.

The slimy algae topping Florida's waterways are more than just unsightly. They are often toxic to humans, animals and the ...