<http://schema.org/about>
"Showing that he's serious about curbing emissions, Obama announced that he's moving ahead with plans for the EPA to regulate greenhouse gases. Specifically, \"large industrial facilities\" that emit more than 25,000 tons of"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/obama-gives-epa-the-go-ahead-to-regulate-greenhouse-gases.html>