<http://schema.org/alternativeHeadline>
"Margaret Palmer, professor of biology at the University of Maryland Center for Environmental Studies, believes there's a better way to mine for coal than blowing the tops off mountains."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/videos/coal-comfort-margaret-palmer-on-colbert-report>