<http://schema.org/about>
"While not often a target of environmental groups due to the increased preparation and safety it promotes, a firefighters training regiment is anything but green. Such training often involves the controlled burning of vehicles, hay,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/colorado-firefighter-training-goes-green.html>