Keystone XL pipeline

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…
On February 13th, 2013 48 people risked arrest at the White House gates to call on President Obama to reject the Keystone XL tar sands pipeline. TAR SANDS ACTION
It is time we just said “no.” There is growing attention to climate change in the media; and there is a growing realization that decisions we make today will have a lasting effect on the world’s climate tomorrow. But there is still a gap – a chasm really – between the reality of climate change and our day-to-day choices, investments, and public debates about water, energy, food, and resources. Here is the reality: the burning of fossil fuels is the leading contributor of gases that are already changing the planet’s delicate climate, and the climate will continue to change in an exponentially…