PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The roads themselves and other developed areas are a separate issue, but in general, US roadsides are probably already absorbing about as much CO2 as they can.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wildflower.org