<http://schema.org/description>
"Climate change could be modified by lowering emissions of other greenhouse gases in addition to carbon dioxide, U.S. researchers say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2011/08/03/Other-gases-besides-CO2-add-to-warming/UPI-71721312417403/>