Panoramic view of the Andean highlands in the Chillon river basin where
Huamantanga is located. The city of Lima would be downstream in the horizon background. (Image courtesy: Sam Grainger, Imperial College London, 2015)
There’s plenty to learn in modern Peru from the designers of ancient water-saving methods, scienti
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Paul Brown, a founding editor of Climate News Network, is a former environment correspondent of The Guardian newspaper, and still writes columns for the paper