<http://webisa.webdatacommons.org/prov/163830286>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/117137852> .
<http://webisa.webdatacommons.org/prov/256200216>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/117137852> .
<http://webisa.webdatacommons.org/117137852>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/159874665>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/117137852> .
<http://webisa.webdatacommons.org/117137852>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<rockefeller.edu> .
<http://webisa.webdatacommons.org/prov/479405158>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/117137852> .
<http://webisa.webdatacommons.org/117137852>	<http://www.w3.org/ns/prov#value>	"Chemicals, paper, petroleum refining, steel, food processing, and other sectors have contributed to the steep dive.12 Not only intake but discharge per unit of production are perhaps one-fifth of what they were fifty years ago." .