About: http://webisa.webdatacommons.org/27971713

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	Ozone is a gas that near ground level is considered a pollutant, often times called smog, because it impairs human health and productivity of natural systems such as forests.
http://www.w3.org/ns/prov#wasQuotedFrom	unep.org