<http://schema.org/about>
"Despite the fact that the project has not been approved yet, and despite nearly universal opposition (with the exception of the State Department), work on the Keystone XL tar sands pipeline has actually already begun."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/environmental-groups-sue-us-government-to-stop-keystone-xl.html>