<http://schema.org/description>
"You can have a great family trip and reduce your carbon footprint by making green choices. For example, take a train instead of a plane and select a green hotel. Take this quiz to learn more about taking a green vacations."^^<http://www.w3.org/2001/XMLSchema#string>
<http://adventure.howstuffworks.com/green-vacation-quiz3.htm>