<http://schema.org/description>
"Researchers at GWU have devised the first technique to completely eliminate CO2 emissions from the cement-making process, an industry responsible for 7% of CO2 emissions."^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/solar-thermal-step-method-could-make-cement-production-greenhouse-gas-free/>