<http://schema.org/about>
"When President Bush said that we're addicted to oil should he have included coal as a vice on par with the \"black gold?\" Yep. After all, we do get roughly half our electricity from coal. But does the coal industry have their own Joe Camel to help us"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/is-quitting-coal-harder-than-quitting-cigarettes.html>