<http://webisa.webdatacommons.org/prov/45912058>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/271143026> .
<http://webisa.webdatacommons.org/271143026>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/271143026>	<http://www.w3.org/ns/prov#value>	"Farming, air pollution and other activities are increasing the levels of some forms of nitrogen in the environment." .
<http://webisa.webdatacommons.org/271143026>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ecoearth.info> .
<http://webisa.webdatacommons.org/prov/412737515>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/271143026> .