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Why Is It So Cold? The Polar Vortex, Explained

A massive winter storm on Jan. 2 was followed by very cold temperatures and dangerous wind chills
A massive winter storm on Jan. 2 was followed by very cold temperatures and dangerous wind chillsPhotograph by NASA/GSFC/Aqua/MODIS

“Polar vortex” has taken an uncontested lead in the competition for buzzword of 2014. It’s brought Arctic chill to the continental United States, disrupted industries and cities, and most, curiously, turned Donald Trump into a climate realist. Sort of.

Here’s a thought. What if Trump is right? An alternative, charitable reading of the tweet reveals Trump to be an impassioned climate change policy advocate with up-to-date knowledge of peer-reviewed science as it relates to our current cryogenic state.