<http://webisa.webdatacommons.org/prov/310727099>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/298021645> .
<http://webisa.webdatacommons.org/298021645>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/298021645>	<http://www.w3.org/ns/prov#value>	"When Keeling began his work, fossil fuel emissions and other sources had boosted the level to 315, and today it is 360." .
<http://webisa.webdatacommons.org/298021645>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<discovermagazine.com> .