<http://schema.org/about>
"Paris just wrapped up its Week of Sustainable Development, a showcase of the City's myriad efforts to promote green thinking, from renewable energy to pedestrian and"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/paris-promotes-natural-parks-and-community-gardens-in-its-bid-to-be-an-ever-greener-city.html>