<http://schema.org/about>
"Creative leaps like this one from the State of Maine are what we need more of. The Regional Greenhouse Gas Initiative which Maine participates in has already generated more than"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/maines-climate-quantum-leap-using-international-carbon-markets-to-fund-weatherization-projects.html>