About: http://webisa.webdatacommons.org/130917775

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	J. Drake Hamilton, science policy director at Fresh Energy, explained that ???soot is a mix of tiny chemical and metal particles from car and truck exhaust and smoke from power plants and forest fires.
http://www.w3.org/ns/prov#wasQuotedFrom	fresh-energy.org