Read the full story from NPR.
Sea level rise and heavier rainstorms driven by global warming are sending more water into residential neighborhoods from the Gulf Coast to New England to Appalachia to the Pacific Northwest. And new data make it clear that many households and communities cannot afford the mounting costs.
More than 4 million houses and small apartment buildings across the contiguous U.S. have substantial risk of expensive flood damage, according to data released by the First Street Foundation, a nonprofit research organization that studies flood risk and housing. The cost of flood damage to homes nationwide will increase by more than 50% in the next 30 years, the First Street Foundation estimates.