Evidence from Dominican Republic of the larger regional weed event.

The thick accumulation of these sea plants on the coastline is apparently causing detrimental effects on certain fish species as residents have reported dead fish along the shores.

The Florida Keys is experiencing higher than usual fish kills this summer, but wildlife officials don't think it's part of a red tide or other type of algae bloom affecting other parts of South Florida.

Scientists say the threat from sargassum is as serious as rising sea levels and hurricanes.

Sargassum is infesting Mexico’s coastline. Researchers are scrambling to stop an ecological crisis, and maybe even make something good of it.

Mexico has spent US$17 million to remove over a half-million tons of sargassum seaweed from its Caribbean beaches, and the problem doesn't seem likely to end any time soon.