<http://schema.org/about>
"Global Warming Watching is now a spectator sport - tourism to the Arctic and Antarctica is on the rise. Whereas two decades ago just a few thousand people braved the chill to discover the wonders of the frozen poles, last season 40,000 people made the"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/travel/people-versus-penguins-should-antarctica-sell-tourism-allowances.html>