Caribbean sargassum influx worsens; regional summit in Cancún seeks joint response

Massive sargassum blooms are increasingly choking Mexican Caribbean beaches, emitting toxic gases, harming marine life, and deterring tourism. Regional governments and the EU convened in Cancún in early October to coordinate a response, but no concrete measures have been announced. The recurring and intensifying nature of the phenomenon signals a growing environmental and economic threat to coastal communities.