PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Without this effect of water vapor (which is responsible for the lion???s share of the warming), CO2, and other radiatively-active trace gases in the air, the planet???s average temperature would be about 34???C cooler than it is presently.
http://www.w3.org/ns/prov#wasQuotedFrom
  • co2science.org