<http://schema.org/about>
"Coming on the heels of news of 'vast reserves' of shale gas in England, opponents of fracking are highlighting the potential threat the natural gas extraction method could pose in another area of the nation--this time to"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/fossil-fuels/fracking-could-threaten-hot-springs-in-unesco-listed-city-of-bath-england.html>