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.
Keystone XL Pits Energy Demands Against Environmental Concerns
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.
Jun 25, 2013