Houston is nation's fastest-sinking city

Houston is sinking faster than any other major U.S. city, new research shows. Why it matters: Land subsidence is an invisible but growing threat to urban infrastructure — cracking roads, destabilizing buildings and making low-lying areas even more flood-prone. Driving the news: In a peer-reviewed study published this month in Nature, researchers analyzed six years of satellite radar data in the 28 most populous U.S. cities. They found Houston...