<http://schema.org/about>
"Since 2007, emissions in the United States have dropped a startling 9%, ending an entire century of rising emissions. And while many will be quick to point to the recession and high gas prices as the main cause for the flagging emissions, other"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/us-carbon-emissions-down-9-over-last-two-years.html>