About: http://webisa.webdatacommons.org/283000382

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	I can think of several ways human activity can fit in ??? for one thing, since there is a scaling constant, it could be contributing on an increasing linear scale (linear given the shortness of the graphed period).
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com