<http://schema.org/about>
"\nMathis Wackernagel is the executive director of The Global Footprint Network, an organization that acts like the bookkeeper for the planet's ecological bounty. Each year, the group calculates the exact day when we have exhausted what the Earth can"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/treehugger-radio/treehugger-radio-listen-to-the-bookkeeper.html>