Climate may crank storms into overdrive

"When you design your buildings or dams or structures on the coast, you have to know how high your seawall has to be," says lead author Ning Lin, noting that Manhattan’s seawalls now stand a mere 5 feet high. "You have to decide whether to build a seawall to prevent being flooded every 20 years."

As Earth’s climate changes, severe storms could become far more common in low-lying coastal areas, according to a new study.

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