<http://schema.org/about>
"It's economic and environmental conventional wisdom that natural resources held in common tend to get over-exploited. But a new study in the Proceedings of the National Academy of Sciences, and"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/trashing-tragedy-of-the-commons-communities-found-to-manage-forests-better-than-government.html>