<http://schema.org/about>
"Carbon reporting is on the rise, and along with it is the rise of software to help with accounting. Grooms Energy Research predicts that over the next two years, we can expect to see a seven-fold increase in"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/carbon-reporting-software-market-booming-purchases-set-to-increase-600-by-2011.html>