<http://schema.org/about>
"One of the few victories in the climate policy arena last decade was the passage of California's pioneering climate law in 2006. It called for, among other things, establishing a cap and trade system to limit greenhouse gas emissions from the state's"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/cap-and-trades-fate-uncertain-in-california.html>