EcoWatch: A new report released today by the Sierra Club and a coalition of 13 other organizations, including the Indigenous Environmental Network, examines the proposed expansion of the Alberta Clipper tar sands pipeline and concludes that there are significant threats to water, health and climate. The report, All Risk, No Reward: The Alberta Clipper Tar Sands Pipeline Expansion, comes in advance of a rally to stop the Alberta Clipper expansion that will take place before the Minnesota Public Utilities Commission...