<http://schema.org/about>
"Climate scientists say that there's a 66% chance human-caused climate change is already causing more extreme weather -- and are 99% certain there's more to come."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/climate-change-already-causing-more-extreme-weather-ipcc.html>