Keystone XL Pipeline Overview.

The article discusses the environmental and regulatory issues involving the construction of the Keystone XL Pipeline in the U.S. It provides an overview on the description and status of TransCanada Keystone Pipeline Ltd. which would carry crude oil produced from Alberta, Canada, to the U.S. by crossing the U.S.-Canada international border. It cites the debates on the impact of the project on U.S. energy security, environment, economy, and to the Ogallala Aquifer.