PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The inescapable conclusion is that the human contribution is not significant and that observed increases in carbon dioxide and other greenhouse gases make only a negligible contribution to climate warming.[23]Don Easterbrook, emeritus professor of geology, Western Washington University: global warming since 1900 could well have happened without any effect of CO2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sensagent.com