<http://webisa.webdatacommons.org/30570951>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<iu.edu> .
<http://webisa.webdatacommons.org/prov/360489795>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/30570951> .
<http://webisa.webdatacommons.org/30570951>	<http://www.w3.org/ns/prov#value>	"Covers such topics as resource depletion, population growth, endangered ecosystems, deep ecology, and the land ethic." .
<http://webisa.webdatacommons.org/30570951>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .