<http://schema.org/about>
"In this year's largely oxymoronic greenest oil company ranking by Greenopia (hence the quotes in the title), last year's winner BP has fallen to fourth place in the rankings, for obvious reasons. Last year's loser,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/fossil-fuels/sunoco-ranked-greenest-oil-company-by-greenopia-previous-winner-bp-drops-back-to-fourth-place.html>