About: http://webisa.webdatacommons.org/169342711

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	Acid rain was a problem, there were dead lakes and dead forests (and still are).
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org