Peru’s fog catchers net water supplies

Guardian: Sandwiched between the cool ocean currents of the Pacific Ocean and the Andean foothills, Peru's coastal capital is a meteorological anomaly. Lima is the second-largest desert city after Cairo, yet it has a cooler and more humid climate than its subtropical latitude might suggest. Rainfall is extremely low – less than 4cm annually – but humidity can reach 98%. The city – home to a third of Peruvians, nearly 9 million people – is dependent on three rivers that flow from the Andes, the Rimac, Chillon......

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