Former U.S. Vice President Al Gore speaks at the World Economic Forum in Davos, Switzerland, Tuesday, Jan. 17, 2017.
Former U.S. Vice President Al Gore speaks at the World Economic Forum in Davos, Switzerland, Tuesday, Jan. 17, 2017. Michel Euler AP
Former U.S. Vice President Al Gore speaks at the World Economic Forum in Davos, Switzerland, Tuesday, Jan. 17, 2017. Michel Euler AP