A water treatment pond at the McKay River Suncor oil

A water treatment pond at the McKay River Suncor oil sands in-situ 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