About: http://webisa.webdatacommons.org/377001466

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	Arm??strong said clean energy faces a ???per??fect storm,??? in which issues such as supply and demand, secu??rity, and envi??ron??ment all play a role.
http://www.w3.org/ns/prov#wasQuotedFrom	northeastern.edu