<http://schema.org/about>
"Professor Anthony Ingraffea penned a powerful op-ed in The New York Times again speaking out against the danger posed by the ongoing natural gas boom, calling it a \"gangplank to more warming.\""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/fossil-fuels/ingraffea-natural-gas-gangplank-not-bridge-fuel.html>