<http://schema.org/about>
"The debate on whether or not going green means going paperless is still a hot one. While digitizing much of our once-printed media saves on tree pulp, it doesn't necessarily save trees. A new article from GreenBiz"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/being-pushed-towards-a-paperless-existence-not-as-green-as-we-might-think.html>