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Mariama Mamane, 2017 Young Champion of the Earth for Africa, shares her experiences implementing a project to create fertilizer and bioenergy from aquatic weeds.   July 2018 The solution is in nature

Young Nigerian water expert wins top UN Environmental prize UN Environment today made Niger’s Mariama Mamane a Young Champion of the Earth for her work on a three-in-one solution to some of Africa’s biggest environmental problems: a project that uses the water hyacinth, which chokes waterways across the continent, to create sustainable energy and environmentally friendly fertilizers.