Mexico Declares War on Stinky Seaweed NYT - Energy & Environment By: Claire Brown 4 August 2026 at 20:08 A changing climate is helping to fuel the growth of a gigantic blob of foul-smelling seaweed that has washed up in some coastal communities. Mexico is fighting back. Β© Fernando Llano/Associated PressMembers of the Mexican Navy removed sargassum from the shore at Puerto Morelos, on the Caribbean coast, last week.