<http://schema.org/description>
"So a space shuttle launch may not be the most environmentally friendly thing in the world, but there&amp;#039;s more to NASA than space travel. What are five of the most important ways NASA helps the environment?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/environmental/green-tech/sustainable/5-ways-nasa-help-environment1.htm>