One Thing: Welcome to Hot World Summer

Throughout the month of July, scorching temperatures have broken records on several continents — the latest in a trend caused by the climate crisis. Meanwhile, in the US, extreme rainfall has led to devastating floods and toxic wildfire smoke has drifted down from Canada, prompting unhealthy air alerts in multiple cities. In today’s episode, we break down why this moment is uniquely dangerous and look at how the climate crisis is already forcing people’s hands about where to live.  Guest: Bill Weir, CNN Chief Climate CorrespondentTo learn more about how CNN protects listener privacy, visit cnn.com/privacy