About: http://webisa.webdatacommons.org/325961590

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	Nitrogen dioxide is a pungent, reddish-brown gas with a strong odor, and is emitted from auto exhaust and fossil fuel power generation.
http://www.w3.org/ns/prov#wasQuotedFrom	thinkprogress.org