Giant seaweed blob floating to Florida can be seen from space

• A giant blob of seaweed called sargassum is on its way to the coast of Florida.
• Pollution and warming temperatures are causing the algae to grow more quickly.
• It can be seen from space and weighs about 13 million tons.

A 5,000-mile-long blob of smelly seaweed is on its way to Florida. It's called sargassum, and it's getting bigger because of warming temperatures.