CNN Weather(@CNNweather):Cities across the world – from Corpus Christi, Texas, to Iran's capital Tehran – are teetering on the edge of water shortages so severe that residents are bracing for a "day zero," the point at which taps run dry for large parts of the city. But of all the urban areas facing this prospect, one city's situation may be starkest.

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CNN Weather@CNNweather

2026.10.06 09:23

Cities across the world – from Corpus Christi, Texas, to Iran's capital Tehran – are teetering on the edge of water shortages so severe that residents are bracing for a "day zero," the point at which taps run dry for large parts of the city. But of all the urban areas facing this prospect, one city's situation may be starkest.