Yale Environment 360: Opposition to the mining of Albertas tar sands and the Keystone and Gateway pipelines that would carry their oil to the Gulf of Mexico and Pacific Ocean has largely been focused on the projects greenhouse gas emissions and threats to pristine environments along the pipeline rights-of-way. But another serious issue is coming to the fore the massive amounts of freshwater being used by the industry. In 2011, companies mining the tar sands siphoned approximately 370 million cubic meters of water...