By Steve Horn
Cross-Posted from DeSmogBlog
The U.S. Senate Foreign Relations Committee held a hearing today (March 13) on the U.S. State Department’s national interest determination for the northern half of the proposed TransCanada Keystone XL tar sands pipeline.
Four witnesses will testify: Keystone XL proponent Karen Alderman Harbert, the president and CEO of the U.S. Chamber of Commerce’s Institute for 21st Century Energy; retired NASA climatologist James Hansen, an adjunct professor at Columbia University’s Earth Institute and Keystone XL opponent; and Sierra Club Executive Director Michael Brune, another critic of …read more
Source: Huffington Post Green