<http://schema.org/description>
"Insulating your house is one of the smartest things you can do to save money on your energy bill. But how much do you really know about green insulation? Take the Ultimate Green Insulation Quiz and find out."^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/home-improvement/construction/green/green-isulation-quiz19.htm>