Feeling a Chill? Blame the Polar Vortex. And Global Warming. A blast of Arctic air is freezing the northern United States, driven by the jet stream and perhaps made more extreme by climate change. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Trilobites: A Fossilized Finger Bone May Be From the Earliest Humans on the Arabian PeninsulaSunspots activity: What are sunspots? Sun headed for 'solar minimum' NASA scientists sayEarthquake strikes US: California, Oklahoma, Texas and Nebraska hit in quick succession Solar Storm WARNING: Sun to blast Earth with intense radiation TOMORROWHow Our Journalism Is Like a Car Crash (Wait, That Didn’t Come Out Right)Night at the Space Museum: 10 Open Bars and Tons of Kubrick References
