Since 1990, the annual rate of sea-level rise has roughly doubled. And since the 1960s, there’s been at least a 300% increase in high-tide coastal flooding. As climate change progresses, regular flooding could mean a new normal for the people who live and work near an ocean.

A recent research brief from puts this in context. Analysts Mark Savino, Jessica Alsford, and Victoria Irving note that “disruptive coastal flooding in the US Gulf and Atlantic coasts currently occurs 3-6 days per year, but could happen as often as 80-180...