Nature and EnvironmentZanzibar's seaweed industry at riskTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment12/14/2017December 14, 2017Seaweed is one of Zanzibar's key exports. But as ocean temperatures rise due to global warming, yields have been decreasing. Now farmers are being forced to find new ways to make seaweed pay.https://p.dw.com/p/2crx5Advertisement