The Guardian reports: America’s biggest cities are at far greater risk of serious flooding in the coming decades than was previously thought, because of a “triple threat” produced under climate change, researchers said on Monday.

A combination of sea-level rise, storm surge and heavy rainfall – all functions of climate change – exposes New York, Los Angeles, Houston, San Francisco, San Diego and Boston to a much greater degree, research published on Monday in the journal Nature Climate Change found.

“Call it a triple threat,” said Steven Meyers, a scientist at the University of South Florida and one of the authors. “What this shows is that there is an increasing risk of compound flooding, from storm surge and rainfall at the same time.” [Continue reading…]