I just came across this series of articles from last month on the rabble.ca blog. They're written accounts of blogger Emily Hunter's trip to the Alberta tar sands country in September. Fascinating stuff. Check it out.
"To see it even more, I took to the skies with a chartered plane. What I saw will be etched on my brain for the rest of my life. It looked like it was the year 2100 and the world had gone wrong, except that it was 2009 and right here in Canada. It was as far as the eye could see, an unrecognizable moonscape. Earth didn't exist here any longer..."