| Deep In Canadian Lakes, Signs Of Tar Sands Pollution NPR Canadian researchers have used the mud at the bottom of lakes like a time machine to show that tar sands oil production in Alberta, Canada, is polluting remote regional lakes as far as 50 miles from the operations. An increasingly large share of U.S ... See all stories on this topic » |  NPR |
Christian Science Monitor
Production at the world's third largest source of oil has polluted surrounding waters with toxic substances, according to a new study. The findings add fuel to a fiery debate over a proposed pipeline connecting Canadian oil sands with US refineries ...
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