Sargassum

Half Moon Bay is a famous beach in Antigua and Barbuda that is now covered sargassum, a type of large, brown floating seaweed.

Caribbean summer forecast: high chance of sargassum

Environment

Those planning a Caribbean trip this summer better check the sargassum forecast. This seaweed has been growing in excessive amounts in the Caribbean since 2011, and now growing in Mexico and parts of Florida, as well. Earlier this year, scientists detected a record bloom.

Omar Vazquez Sanchez stands in the doorway of a home built from blocks made of seaweed.

In Cancun, this man is turning seaweed trash into natural-building treasures

Environment

The Need for Seaweed