About: http://webisa.webdatacommons.org/384894599

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 exist remotely from sources of pollution, atmospheric pollution such as acid rain or sulphate can have a significant impact on headwaters, trees and soils.
http://www.w3.org/ns/prov#wasQuotedFrom	alcoa.com