Check out the video I created from an interview with tar sands activist Helen Yost: it includes a detailed, educated point-by-point breakdown of everything wrong with tar sands oil (and, by extention, Keystone XL) which lasts seven minutes:
(Link: http://www.youtube.com/watch?v=UvorGniWxW4) Share widely!


Salon.com
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Of course, it is unstoppable because it is finally profitable because we are running out of oil and Canada has no EPA as a failsafe or control. They pretty much do as they want.
The XL pipeline is another issue. It will create only a handful of temporary jobs and in the long run only benefit a handful of rich Americans. Of course, this too will go through as moneyed interests win every time.