PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This amount validates the many studies, computer models and reports proposing that investing $1 trillion annually until 2020 in material and energy efficiencies, wind, solar, geothermal and other renewable energy, sustainable land-use and forestry, smart infrastructure, transport, building and urban redesign will solidify the Green Transition worldwide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthsummit2012.org