El Niño Is Back. And Worse Than Ever.

The global chaos agent known as El Niño is back, and this year it’s already on track to be, by far, the strongest and most severe on record, wreaking havoc on weather across the world. Today, Chico Harlan, the global climate reporter for The New York Times, goes over El Niño’s history, its inner workings and its increasingly destructive fallout. Guest: Chico Harlan, the global climate correspondent for The New York Times. Background reading: El Niño, the Pacific climate shift that comes around once or twice a decade...