Key facts
- Sargassum seaweed has accumulated to nearly a record 29 million metric tons.
- Florida beaches are experiencing significant wash-ups of the seaweed.
- The rotting seaweed emits hydrogen sulfide and ammonia, causing foul odors and potential breathing problems.
- Researchers predict the sargassum bloom will continue to grow and spread.
- Texas and Louisiana are expected to be the next states affected by the seaweed.
