<http://schema.org/about>
"The Amazon suffered a record-making drought in 2005, which was thought to be the worst in the 108 years since tracking rains and droughts began. However, researchers are now saying that the drought"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/second-severe-amazon-drought-this-decade-spells-disaster-for-rainforests.html>