<http://schema.org/about>
"For years I have been asking my students at Ryerson School of Interior Design to define the term Sustainable Design , in the hope that someday, one of them will come up with one that makes sense. I am still waiting. EcoHome, the AIA's green housing"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/ecohome-design-awards-test-meaning-of-term-sustainable.html>