Violet Clarke’s home sits virtually in the center of the vast Athabasca tar sands, a colossal deposit of extremely heavy crude oil in the western Canadian province of Alberta. She vaguely recalls ...
Canada’s tar sands are the fourth-largest oil deposit in the world, but separating the bitumen creates large volumes of toxic wastewater, which is stored in tailings ponds that now cover 270 km² (104 ...
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CHICAGO -- About half of America's migratory birds fly from destinations as far-flung as Chile to nest in Canada's boreal forest. In Alberta, that forest lies above tar sands that contain oil reserves ...
U.S. Oil Sands is aiming to have a commercial operation with a capacity of up to 2,000 barrels a day up and running by next year in what is called the P.R. Spring tar sands deposit in the Bookcliffs ...