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Keystone XL Pits Energy Demands Against Environmental Concerns

Tue, 06/25/2013 - 2:41pm
PBS

Alberta's tar sands are some of the largest oil reserves in the world. TransCanada's plan to build a pipeline, known as Keystone XL, from Alberta into the U.S. heartland has raised concerns among environmental activists, pitting environmental concerns against an industry push to increase production.

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