<http://schema.org/about>
"The paper industry has been eying genetically engineered eucalyptus for some time now. And while this fast growing tree has been used to fight erosion in Mali, many activists and conservationists are concerned about the spread of eucalyptus"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/a-eucalyptus-monoculture-where-rainforests-once-stood.html>