The Great Atlantic Sargassum Belt is carrying a massive bloom of brown seaweed toward Florida and the Caribbean
- Written by Stephen P. Leatherman, Professor of Coastal Science, Florida International University

An unwelcome visitor is headed for Florida and the Caribbean: huge floating mats of sargassum, or free-floating brown seaweed. Nearly every year since 2011, sargassum has inundated Caribbean, Gulf of Mexico and Florida coastlines in warm...