<http://schema.org/about>
"Mountaintop removal mining has destroyed hundreds of mountain peaks and at least 1,200 miles of streams in the Appalachians, and remains a hotly contested issue"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/photos-historic-coal-town-faces-modern-day-threat>