PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Global concentrations of greenhouse gases such as carbon dioxide, CO2, in the atmosphere now have reached 394 parts per million, up from 280 ppm before the Industrial Revolution and the highest levels seen in at least 800,000 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ens-newswire.com