FILE PHOTO: The city of Fort McMurray, Alberta, is home to one of the world’s largest oil reserves and the Alberta tar sands operations. Picture taken September 17, 2014. REUTERS/Todd Korol/File Photo
FILE PHOTO: The city of Fort McMurray, Alberta, is home to one of the world’s largest oil reserves and the Alberta tar sands operations. Picture taken September 17, 2014. REUTERS/Todd Korol/File Photo