About: http://webisa.webdatacommons.org/320011692

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But let's just face the simple fact that there is not sufficient energy density associated with wind, waves, solar to even hope that we can invent systems that compete favorably with conventional forms of energy.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk