Climate change did not “cause” Harvey or Irma, but it’s a huge part of the story
Climate is not central, but by the same token it is grossly irresponsible to leave climate out of the story, for the simple reason that climate change is, as the US military puts it, a threat multiplier. The storms, the challenges of emergency response, the consequences of poor adaptation — they all predate climate change. But climate change will steadily make them worse.
Thanks to the recent profusion of great climate journalists and communicators, this story has been well told already. Probably the best source is this Facebook post from climate scientist Michael Mann, but also see Chris Mooney, Robinson Meyer, John Schwartz, Emily Atkin, and Susan Mathews.