The Keystone Pipeline, if built, would transport synthetic oil from the tar sands of Canada to US refineries. Write a two-page essay comparing all the environmental impacts of obtaining a barrel of synthetic oil from the tar sands of Alberta Canada to those of obtaining a barrel of crude oil from Saudi Arabia. Be sure to incorporate as many different types of impacts as possible in your analysis and include at least two citations from external sources.

The essay will be graded as follows:

Introduction: 10%
Body/analysis: 60%
Conclusion: 10%
Organization: 10%
Grammar: 10%