http://www.npr.org/2014/01/07/260408972/polar-vortex-blames-for-dangerously-cold-weather http://www.npr.org/2014/01/07/260408972/polar-vortex-blames-... http:/

http://www.npr.org/2014/01/07/260408972/polar-vortex-blames-for-dangerously-cold-weather http://www.npr.org/2014/01/07/260408972/polar-vortex-blames-... http://www.npr.org/2015/12/15/459871063/climate-change-plays-fairly-insignificant-role-in-current-warm-weather http://www.npr.org/2015/12/15/459871063/climate-change-plays... two NPR links here, the 2014 says how the cold in winter 2014 is the polar vortex, and the warm in 2015 is a combination of tight polar vortex and el nino, he* resisted saying it was related to climate change. he is Mike Halpert, NOAA's deputy director of the Climate Prediction Center