About: http://webisa.webdatacommons.org/141939202

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	Also, particularly in the past 40 years or so, pollution controls have reduced the amount of emissions released into the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com