A lot of people rely on groundwater in the Kathmandu Valley, which has been reeling under acute water scarcity, especially during the dry season. But experts have warned that groundwater in the valley
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Urban Bangladesh faces a huge water crisis. Groundwater tables are falling rapidly, centuries-old urban water bodies have disappeared or severely polluted and urban floods are a regular occurrence in the
South Asia's well-water is widely polluted with arsenic, but no one has located the source. A study on the Mekong River finds that contamination begins in pond sediments, and is spread by groundwater flow to wells.