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Marco Rubio doesn’t believe humans are causing climate change

Marco Rubio says he doesn't "believe that human activity is causing these dramatic changes to our climate the way these scientists are portraying it."

Senator Marco Rubio (R-Fla.) speaks during the Conservative Political Action Conference, March 6, 2014, in National Harbor, Md.
Senator Marco Rubio (R-Fla.) speaks during the Conservative Political Action Conference, March 6, 2014, in National Harbor, Md.AFP/Getty Images

David Taintor