Water stress: why integrated management matters
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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.
UN Environment is seeking inspired young problem-solvers with big, bold, ideas for the environment, for humanity, for a greener future. Does that sound like you? Apply: unenvironment.org/youngchampions - Narrated by Alec…