<http://schema.org/about>
"TreeHugger spoke with a few students at SxSW Eco to see why they cared about the environment and what they want adults to do about it."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/treehugger-tv/students-explain-why-they-care-about-environment-sxsw-eco.html>