About: http://webisa.webdatacommons.org/318618357

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As early as 1991, 35 percent of respondents (in the United States) said they thought global warming was a very serious problem.
http://www.w3.org/ns/prov#wasQuotedFrom	niemanreports.org