About: http://webisa.webdatacommons.org/89590189

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	Based on studies of the costs of pollution to society such as health care, the District???s tree cover saves nearly $51 million annually.
http://www.w3.org/ns/prov#wasQuotedFrom	pinchot.org