<http://schema.org/about>
"If you have even a fleeting passion for the environment, you probably already know what a monstrosity Canada's tar sands are. It's been dubbed the \"most environmentally destructive project on Earth\". A 1,700 mile"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/massive-tar-sands-pipeline-protest-to-hit-white-house-this-month.html>