The Keystone Oil Pipeline is pictured under construction in North Dakota.
The Keystone Oil Pipeline is pictured under construction in North Dakota.
Credit:

TransCanada via Reuters

Anchor Aaron Schachter talks with The World's environment editor Peter Thomson about a small oil spill that may have big consequences for a plan to pump oil from Alberta to the Pacific Ocean, and may even play into the fight over the Keystone oil pipeline in the US.

Related Stories