Toxic red algae blooms in Florida have spread to metropolitan counties on the state's east coast, triggering large-scale beach closures and fears of a plunge in the tourist economy. WEST PALM BEACH, ...

A bioluminescent algae that appears pinkish-red in the day and glows blue when disturbed has appeared across Tasmania's south-eastern coastline. Dr Lisa-ann Gershwin, a biologist and world-leading ...

WaterNSW has issued a red alert for the Shoalhaven River after discovering potentially toxic levels of the micro algae, Alexandrium minutum. The algae produce paralytic shellfish poisoning toxins ...