About: http://webisa.webdatacommons.org/143295385

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	One of the key issues is how to extract the energy from the sun, wind, waves and tides and convert it into more useful forms of energy, such as electrical energy, that are also environmentally friendly.
http://www.w3.org/ns/prov#wasQuotedFrom	thecompleteuniversityguide.co.uk