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Young Champion of the Earth from 2017, Mariama Mamane, turns water hyacinth, an invasive species, into fertilizer, bio-gas and energy.
Young Champion of the Earth from 2017, Mariama Mamane, turns water hyacinth, an invasive species, into fertilizer, bio-gas and energy.
Young Champions of the Earth is a forward-looking prize designed to breathe life into the ambitions of brilliant young environmentalists.