Warming oceans: Zanzibar’s seaweed farmers are turning to ocean sponges to help stay afloat

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The sponges are more resilient to a shifting climate than seaweed, need less maintenance and sell at higher prices to hotels and tourists. Warming seas and rising salinity are negatively impacting seaweed farms. In response, charity Marinecultures.org is teaching women to swim and farm sponges that could be used for cleaning and bathing. The sponges are more resilient to a shifting climate than seaweed, need less maintenance and sell at higher prices to hotels and tourists. Nasir Hassan Haji never thought of herself as a farmer or a swimmer, but as she waded into Zanzibar’s blue waters with goggles pulled over her headscarf to examine her floating sponge farm, she realised she had surprised herself by becoming both. Alongside 12 other women in Jambiani village on the Indian Ocean coast, Haji has come to rely on the climate-resilient, natural sponges bobbing on thick ropes where they grow for months before the women harvest, clean and sell them to shops and tourists. “I learned to swim and to farm sponges so I could be free and not depend on any man,” Haji said later, sitting on the floor in her home on the Tanzanian island. Before farming sponges – which […]

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