Two years after the remnants of Hurricane Ian dumped up to 10 inches of rain on New York City in just two hours, the metropolis is once again inundated today by extreme rainfall. It is one of the many cities worldwide grappling with a counterintuitive effect of climate change: Sometimes, it will get wetter, not drier.
On a warming planet, it’ll rain more and individual storms will get more intense. This pain will be especially acute in urban areas, which are built on stormwater infrastructure designed to handle the rainfall of yesteryear. Think back to what the builders of the last century wanted: sewers and canals that funneled rainwater as
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