<http://schema.org/about>
"If you're somehow attached to or involved with the green building movement it's certainly worthwhile to note that the EPA is urging professional and student architects, builders and product developers to submit designs for green buildings and building"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/epa-announces-lifecycle-building-challenge-30.html>