Alberta’s Tar Sands: In-Situ Extraction Converted to Mining?
Canada’s massive Athabasca tar-sands mining operation in Alberta has been in the news, as the U.S. State Department nears a decision to approve or reject the Keystone XL pipeline. This proposed pipeline would carry oil extracted from the tar sands through the heartland of the U.S. to refineries on the Gulf coast, where it would […]