<http://schema.org/about>
"Sometimes the most impressive products at Greenbuild are the most innocuous and boring looking things; last year I thought the best of show was Agriboard, a SIP made from straw. This year I spent some time trying to figure out this ridge vent for a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/solar-technology/greenward-ridge-vent-turns-your-entire-roof-into-a-solar-collector.html>