Leave Most of Canada's Tar Sands in the Ground if You Want to Meet Climate Targets - Study.

The Globe and Mail

As U.S. President Barack Obama and a Republican-led Congress spar over the proposed Keystone XL pipeline, a new analysis of worldwide fossil-fuel reserves suggests that most of the Alberta oil the pipeline is meant to carry would need to remain in the ground if nations are to meet the goal of limiting global warming to two degrees Celsius. Story here.