The Great Seaweed Invasion

The Great Seaweed Invasion

Available on CuriosityStream, Prime Video, Curiosity Stream, Sling TV
S1 E85: A giant mass of floating seaweed is invading popular beaches in the US and Caribbean! At sea, the sargassum belt is a floating ecosystem, but when it hits the shore it turns toxic. Scientists are racing to figure out how to protect the coast while tracking and studying this natural wonder.