<http://schema.org/about>
"As part of the Cities Alive Green Roof Infrastructure Conference in Toronto, there was a student design competition, that Steven Peck of Green Roofs for Healthy Cities described as a challenge to \"faculty-led student teams"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/spectacular-urban-transformation-in-student-green-roof-design-competition.html>