The State Department last month took a major step toward federal approval of the pipeline that could carry up to 830,000 barrels per day. But federal officials insist they haven’t made up their minds yet, and a final decision is expected by year's end.
Backers, including prominent Republicans and industry groups, call it a way to increase energy security and create jobs. Opponents say expanded reliance on Canada's greenhouse gas-intensive oil sands projects is a bad choice, and also say the project will endanger groundwater in states along the route.
Girling’s comments are among the multiple views in the segment. Others include Steven Chu, who appears to signal his support for the project.
The energyNOW! reporters also traveled to Nebraska, where some landowners are battling the Keystone XL project, and Alberta for a closer look at the oil sands.