<http://webisa.webdatacommons.org/432627361>	<http://www.w3.org/ns/prov#value>	"Our urban areas cannot sustain themselves without the food and energy distribution system, transportation, water, sewage and other systems we have in place." .
<http://webisa.webdatacommons.org/prov/161581191>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/432627361> .
<http://webisa.webdatacommons.org/prov/311301277>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/432627361> .
<http://webisa.webdatacommons.org/432627361>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/398352324>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/432627361> .
<http://webisa.webdatacommons.org/432627361>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<thisbluemarble.com> .