PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in the second half of the 20th century [and] that there is probably a human role in that warming, that carbon dioxide is a greenhouse gas, and that the increase in atmospheric concentrations can be attributed to human activity.??? The organization, he says, argues primarily for ???cost-effective solutions??? to climate change.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com.au