<http://schema.org/about>
"Global Warming seems to be everywhere these days, with more information reaching more people (thanks to audiovisuals like An Inconvenient Truth and sites like TreeHugger), and moreover, scientific consensus (check our coverage of the IPCC report here,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/a-end-of-the-worldatm-art-biennale-looks-on-climate-change.html>