Canada's Prime Minister Justin Trudeau holds a press conference at the National Press Theatre in Ottawa, Ontario, on Tuesday, Nov. 29, 2016. Trudeau has approved one controversial pipeline from the Alberta oil sands to the Pacific Coast, but rejected another. On Tuesday, he approved Kinder Morgan's Trans Mountain pipeline to Burnaby, British Columbia, but rejected Enbridge's Northern Gateway pipeline to Kitimat, B.C. (Sean Kilpatrick/The Canadian Press via AP)