A tailings pond at the Suncor tar sands mining operations near Fort McMurray.
A tailings pond at the Suncor tar sands mining operations near Fort McMurray, Alberta, September 17, 2014. In 1967 Suncor helped pioneer the commercial development of Canada's oil sands, one of the largest petroleum resource basins in the world. Picture taken September 17, 2014. REUTERS/Todd Korol (CANADA - Tags: ENERGY ENVIRONMENT)
