About: http://webisa.webdatacommons.org/166586209

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	This is due to the fact that coal contains radioactive material, mostly uranium and thorium, at about 4 parts per million.
http://www.w3.org/ns/prov#wasQuotedFrom	bravenewclimate.com