Oil Sands and the Keystone XL Pipeline: Background and Selected Environmental Issues
http://www.fas.org/sgp/crs/misc/R42611.pdf
Discusses the process of getting fuel from oil sands and the type of fuel extracted, the controversies surrounding the Keystone pipeline project, and the various environmental issues related to the project including climate change concerns, land disturbances, and potential oil spills. From the Congressional Research Service, posted by the Federation of American Scientists
