<http://schema.org/description>
"The U.S. Environmental Protection Agency (EPA) and Department of Health and Human Services (HHS) are conducting a contest challenging innovators to develop a system that could turn thousands &amp;mdash; or even millions &amp;mdash; of citizens into walking pollution-monitoring stations."^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/feds-challenge-innovators-to-build-a-crowdsourced-pollution-monitoring-network/>