PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a well known greenhouse gas that absorbs and traps the infrared radiation that is reflected off the earth????s surface causing surface temperatures to increase.
http://www.w3.org/ns/prov#wasQuotedFrom
  • realclimate.org