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

Toxic algae bloom possibly related to Palisades Fire sickens marine life 02:54. When the Palisades Fire ripped through Malibu three months ago, strings of beachfront homes burned to the ground.But ...

Just as January’s firestorms struck well outside Southern California’s typical fire season, this explosion of harmful algae appeared earlier in the year than have previous blooms.

It was one of the largest, longest and most lethal harmful algae blooms in Southern California's recorded history, claiming the lives of hundreds of dolphins and sea lions between Baja California ...

LA County lifeguards shaken by toxic algae bloom killing sea life 03:37. Watching animals become sick and die over and over again because of the toxic algae bloom has taken a toll on rescue ...

In the past week, there have been more than 50 dead and dying dolphins found along the L.A. County coast. Experts say it's due to a neurotoxin called domoic acid.