While the Obama administration says it needs more time to assess the potential risks around Keystone XL pipeline is proposed, a vast underground network of more than 2 million miles of pipeline across the United States energy already.
Some energy experts representing oil and gas industry said Keystone XL, 1,700 kilometres of pipes is controversial that will run from Canada to Texas, which poses less of a risk to the environment than the estimated 50,000 kilometers of crude oil pipelines crisscrossing the U.S. network already, they say safely and efficiently.
The u.s. State Department has expressed concern over the environmental impact of the pipeline, particularly in the Nebraska Sandhills, the dunes of porous which includes a high concentration of wetlands and aquifer keys.