<http://schema.org/about>
"Ceramic or paper cups?  Deciding which is the greenest and most environmentally friendly should be a no-brainer.  Intuititively we go for the ceramic.  But an article by the that intrepid green goddess Lucy Siegle, causes one to pause.  She quotes an"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/ceramic-or-paper-cups.html>