About: http://webisa.webdatacommons.org/167292259

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	Researchers know that human activities including fossil fuel use, agriculture and land use have been the dominant causes of increased concentrations of greenhouse gases in the atmosphere over the past 250 years.
http://www.w3.org/ns/prov#wasQuotedFrom	nsf.gov