<http://schema.org/description>
"An environmental group in China has developed a mobile app to measure and share air quality data for some 190 cities throughout the country."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2014/06/09/Chinese-environmental-group-develops-pollution-watchdog-app/4591402347425/>