A harmful algal bloom occurs in bodies of freshwater when Cyanobacteria, also called blue-green algae, produce toxins.

Contamination fuels algae blooms and wreaks havoc. Our investigation pinpointed alarming chemical levels in nearly 1 in 4 ...

The first confirmed report for blue-green algae in 2025 was received by the NIEA on April 2, for Martray Lough, Ballygawley, ...

The presence of blue-green algae in Martray Lough near Ballygawley is "disheartening", the Department for Agriculture, ...

According to the above data from Plymouth Marine Laboratory (PML), the bloom could be of Karenia mikimotoi — which is a type ...

A bloom of harmful algae off the coast again this year is creating a neurotoxin that has caused sea lions and other marine mammals to exhibit Parkinson's-like symptoms up and down the Southern ...

The Tijuana River sewage crisis may be contributing to the current toxic algae bloom off the coast of Southern California, as the added nutrient load from the pollution is fueling the growth of ...

The Northern Ireland Environment Agency said two reports had been made from locations on Lough Neagh and were verified on ...

"The algae bloom is there and if it thickens up it could create a problem," he said. "It's vital that we do keep a check on this." Local surfer Anthony Rowland visited Tunkalilla Beach, west of ...