Alberta Tar Sands

Is there a problem with John Abraham’s argument about Obama’s Legacy? John Abraham wrote a piece in the Guardian titled Keystone XL decision will define Barack Obama’s legacy on climate change: Does the president have courage to say ‘no’ to a project that will lock us into decades of dependency on this dirty energy? in which he states: Alberta has 1.8 [trillion] barrels of oil contained within the tar sands. Extracting and burning all of that tar will cause a global temperature increase of about 0.4 degrees C (0.7 degrees F). That is about half of the warming that humans have already caused…
I was distressed to find many people who are essentially pro-environment and who generally understand climate change science being less than terribly shocked about the prospect of the Keystone XL pipeline being built. Then I began to realize that many people don't realize the order of magnitude of the problem. I'm writing a blog post about this which I'll post Sunday or Monday, but in the mean time I want to provide a list of handy dandy reliable and helpful sources of information about the pipeline and related issues. Keystone XL decision will define Barack Obama's legacy on climate…