<http://webisa.webdatacommons.org/279157791>	<http://www.w3.org/ns/prov#value>	"However, the data for this indicator have not been collected for long enough to determine whether droughts are increasing or decreasing over" .
<http://webisa.webdatacommons.org/279157791>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/437909729>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/279157791> .
<http://webisa.webdatacommons.org/279157791>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<global-greenhouse-warming.com> .