Scientists Have Confirmed - Scientifically and Graphically for Explanation - Global Warming Is Cause of Polar Vortex Winter in North America -
Personally, I have had a hard time, before now, grasping and believing the fact that warmer temperatures on earth can cause colder winters. This new, graphically presented information has changed my mind. It also is pretty scary. You can see from the three graphs that only North America is affected, primarily because the other areas with colder weather are mostly all out at sea.
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