Reuters: An alliance of Canadian and U.S. aboriginal groups vowed on Wednesday to block three multibillion-dollar oil pipelines that are planned to transport oil from the Alberta tar sands, saying they are prepared to take physical action to stop them.
The Canadian government, faced with falling revenues due to pipeline bottlenecks and a glut that has cut the price for Alberta oil, say the projects are a national priority and will help diversify exports away from the U.S. market.
But the alliance of...