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Why Is It So Warm? Bill Nye (Of Course) Has The Answers

12/24/2015 12:48 EST | Updated 12/24/2015 12:59 EST

"It's beginning to look a lot like Christmas" isn't quite the tune many people in parts of the east coast are singing these days.

With temperatures in the positives, green grass and no snow in sight for some of Canada and the U.S., it's more like a crisp September day than the day before Christmas. (In Toronto, we scarcely had to put on jackets this morning.)

Depending on what era you grew up in, you might remember this gem of a video where Bill Nye first explained El Niño to school kids.

He explained it then as what happens when trade winds over the Pacific Ocean, which usually have a cooling effect, suddenly stop. The sun warms the water more than usual, which also warms the air. The result is storms in some parts of the globe and unseasonably warm weather in other parts.

But in this updated explanation, he emphasizes that climate change is making El Niño have a much more drastic impact. Watch the video above of Bill Nye's interview at MSNBC to see just why we're craving lemonade more than hot chocolate, and why climate change needs to be talked about.

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