About: http://webisa.webdatacommons.org/396758230

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	Though coal and petroleum are currently among the cheapest forms of energy available today, factors such as environmental impact and sustainability provide motivation for developing cleaner, renewable energy technologies.
http://www.w3.org/ns/prov#wasQuotedFrom	compadre.org