<http://webisa.webdatacommons.org/5559408>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/5559408>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/5559408>	<http://www.w3.org/ns/prov#value>	"However, alternative sources of energy do not yet exist to replace a significant fraction of the world's use of coal to generate electricity and other power." .
<http://webisa.webdatacommons.org/prov/415753354>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/5559408> .