About: http://webisa.webdatacommons.org/234565680

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	Even for something he is straightforward to estimate, like the health care costs associated with respiratory distress, figuring out the fraction of those caused by particulates (or other forms of pollution) is not necessarily simple.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com