New study finds ‘alarming’ high flood risk for 17 million Americans on Atlantic and Gulf coasts
- Posted on April 22, 2026
- By Chicago Tribune
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- 1 min read
New study finds ‘alarming’ high flood risk for 17 million Americans on Atlantic and Gulf coasts

More than 17 million people along the U.S. Atlantic and Gulf coasts are at the highest risk of being affected by flooding, with New York and New Orleans standing out, according to one of the most comprehensive studies ever of flood risk.