PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gases such as carbon dioxide, methane and chlorofluorocarbons (CFCs) trap outgoing long-wave radiation keeping heat close to the Earth's surface.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bbc.co.uk