As water reservoirs go dry, Mexico City and Bogotá are staring down ‘Day Zero’
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In Mexico City, more and more residents are watching their taps go dry for hours a day. Even when water does flow, it often comes out dark brown and smells noxious. A former political leader is asking the public to “prioritize essential actions for survival” as the city’s key reservoirs run dry. Meanwhile, 2,000 miles south in the Colombian capital of Bogotá, reservoir levels are falling just as fast, and the city government has implemented rotating water shutoffs. The mayor has begged families to shower together and leave the city on weekends to cut down on water usage.
The measures come as a so-called heat dome sitting atop Mexico is shattering temperature records in Central America, and both Central and South America are wasting beneath a drought driven by the climate phenomenon known as El Niño, which periodically brings exceptionally dry weather to the Southern Hemisphere. Droughts in the region have grown more intense thanks to warmer winter temperatures and long-term aridification fueled by climate change. The present dry spell has shriveled river systems in Mexico and Colombia and lowered water levels in the reservoirs that supply their growing cities. Officials in both cities have warned that, in June, their water systems might reach a “Day Zero” in which they fail altogether unless residents cut usage. ...