Algal blooms have many causes, but it's commonly chemicals in industrial fertilizers that end up in rivers and oceans in a ...

Officials at Cherry Creek Reservoir in Aurora are warning people about toxic blue-green algae, which can cause rashes, ...

A diver has shared shocking before-and-after photos that reveal the ecological devastation caused by an ongoing algal bloom ...

The Vt. Dept of Health wants people to know if you are going to a lake or pond to cool off - be sure to look for cyanobacteria blooms before getting in the water.