<http://schema.org/about>
"Next time you see an ad for Chevrolet, it could be channeling funds directly to green projects in local communities. That's the concept behind the newly-launched EcoAd, a project from CBS-owned EcoMedia. The underlying premise, or"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/cbs-launches-ecoads-connecting-advertisers-with-community-projects.html>