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The Polar Vortex Explained in 2 Minutes
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The Polar Vortex Explained in 2 Minutes
  • Published_at:2014-01-08
  • Category:News & Politics
  • Channel:The White House
  • tags:
  • description: President Obama's Science and Technology Advisor, Dr. John Holdren, explains the polar vortex in 2 minutes—and why climate change makes extreme weather more likely going forward. Learn more at http://wh.gov/climate-change. January 8, 2014.
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2014-01-13 128,410 858 1,234 (Spain,#87) 
2014-01-17 151,620 1,018 1,483 (all,#63)  (USA,#63) 
2014-01-18 159,153 1,075 1,602 (all,#63)  (USA,#63) 
2014-01-19 163,180 1,092 1,617 (all,#77)  (USA,#77) 
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2014-01-21 170,272 1,144 1,786 (all,#86)  (USA,#86) 
2014-01-22 174,346 1,166 1,809 (all,#91)  (USA,#91)