Human impact on world’s rivers ‘threatens water security of 5 billion’

Guardian: Nearly 80% of the world's rivers are so badly affected by humanity's footprint that the water security of almost 5 billion people, and the survival of thousands of aquatic species, are threatened, scientists warned today. The global study put together by institutions across the globe is the first to simultaneously look at all types of human intervention – from dams and reservoirs to irrigation and pollution – on freshwater. It paints a devastating picture of a world whose rivers are ......

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