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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	Retrieved 4/18/08A term coined by ecologist William Rees and Mathis Wackernage to describe the total ecological impact (the amount of land, food, water, and other resources needed) to sustain a person or organization.
http://www.w3.org/ns/prov#wasQuotedFrom	greenposting.org