<http://schema.org/about>
"So much on show at Greenbuild, the huge green building convention put on by the US Green Building Council, has been seen on TreeHugger; one has to set some standards. So no products with LEEDING The Way or any other bad"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-architecture/bio-based-phase-changing-material-adds-instant-thermal-mass.html>