PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Due to uncertainties and non linear nature of the earth system of which climate is a part there are unknowns in regard to how the earth will respond to increased CO2 levels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • realclimate.org