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Earth last year wasn't quite as hot as 2016's record-shattering mark, but it ranked second or third, depending on who was counting. Which year is first, second or third doesn't really matter much, said Princeton University climate scientist Gabriel Vecchi. What really matters is the clear warming trend, he said.
During natural disasters like Hurricane Harvey, a single question has become a common refrain: What role did climate change play? In this interview, Prof. Gabe Vecchi states that “the way we see hurricanes today — where we have a vast array of satellites, we have aircraft reconnaissance missions, we have a number of different sensors — is very different from the way we saw hurricanes a hundred years ago.”