U.S. dam safety frameworks have helped prevent major calamities, but the May collapse of a 95-year-old Michigan structure shows failure risks remain, with multiple causes.
Last summer, Chennai became the world’s first major city in which there was no water for residents to drink. But, as climate change makes flooding and drought more common, the city of 8 million is unlikely to be the last to run dry.
A new flood model from the nonprofit First Street Foundation nearly doubles the number of properties the Federal Emergency Management Agency’s Special Flood Hazard Area had identified as at risk in a 1-in-100-year flood event.
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