AlertNet: Rising sea temperatures and more extreme weather are damaging Zanzibar's formerly thriving seaweed farms, maritime experts say, reducing harvests and putting farmers out of work.
Commercially valuable seaweed was brought to Zanzibar from the Philippines in the 1980s, and early producers found it grew well in the shallow waters off this Indian Ocean island.
Some types of seaweed, used in the food and pharmaceutical industries as a stabilizer or emulsifying agent, are in great demand abroad,...