PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methane and nitrous oxide emissions from agriculture and other human activities add to the atmospheric burden of heat-trapping gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • procon.org