Dr. John Holdren

Ice builds up along Lake Michigan at North Avenue Beach as temperatures dipped well below zero on Jan. 6, 2014 in Chicago, Ill. (credit: Scott Olson/Getty Images)

White House: Extreme Cold Doesn’t Disprove Global Warming

A new video released by the White House states that the extreme cold dominating much of the U.S. this week doesn’t disprove global warming.