The water at these schools comes almost entirely from rain

At a remote elementary school in the Mekong Delta in Vietnam, until recently, access to safe drinking water was a daily challenge. The school tried to use groundwater, but there wasn t enough supply; the water was also contaminated with salt and metal. In the dry season, from December to April, droughts made the challenge worse. But last month, the school installed a new system that harvests rainwater, filters it, and then automatically supplies it to drinking fountains, the kitchen, and bathrooms.
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