About: http://webisa.webdatacommons.org/453150167

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	While they have always been present they have become more prevalent, more frequent and more toxic around North America, and other parts of the world, in the last 30 years.
http://www.w3.org/ns/prov#wasQuotedFrom	gov.bc.ca