<http://schema.org/about>
"A new study shows that some wells in N.Y. contain large amounts of explosive methane and need to be monitored to prevent any detonation."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/ny-wells-contain-alarming-amounts-of-methane>