<http://schema.org/about>
"New research in the UK shows that 95% of kids between the ages of 4 and 15 questioned were 'concerned' by global warming, with more than half describing themselves as being 'very concerned'. And three out of four felt they were more fluent on the topic"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/95-of-uk-kids-show-real-concern-about-global-warming.html>