<http://schema.org/about>
"Seems every hotel calls itself \"green\" if it stops cleaning the sheets and towels everyday. A good idea, but they do save bucks on laundry while saving water and energy. Some places"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/marriott-takes-the-leed-certifications.html>