PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Emitting firms can use the permits that they receive from the state government, buy permits, or buy offsets for their emissions from projects that remove carbon dioxide or other greenhouse gases from the atmosphere.AB 32 aims to reduce California's emissions to 1990 levels by 2020, a reduction of about 30 percent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucdavis.edu