Tuesday, October 15, 2013
After Sparking Outrage In Detroit, Koch Brothers’ Tar Sands Waste Now Piling Up In Chicago
After Sparking Outrage In Detroit, Koch Brothers’ Tar Sands Waste Now Piling Up In Chicago: Petroleum coke, a byproduct of tar sands refining, is building up along Chicago's Calumet River and alarming residents.
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