About: http://webisa.webdatacommons.org/207613116

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	Ex. smog in cities, pollution of oceans, rivers, lakes, ozone depletion by chlorofluorocarbons, pesticides such as estrogen mimickers, acid rain.
http://www.w3.org/ns/prov#wasQuotedFrom	calvin.edu