<http://schema.org/about>
"A new report from Canada's environment ministry shows that emissions from expanding tar sands production and use will double by 2020 and will overwhelm emission cuts in energy production elsewhere. This will entirely"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/fossil-fuels/canadas-increasing-tar-sands-emissions-will-cancel-out-carbon-cuts-elsewhere.html>