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<http://webisa.webdatacommons.org/283025501>	<http://www.w3.org/ns/prov#value>	"According to a recent Pew Research poll, fewer Americans believe that global warming is a real threat than they did five years ago." .
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<http://webisa.webdatacommons.org/283025501>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<masterresource.org> .