About: http://webisa.webdatacommons.org/168996145

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	Since 16 February 2005, when the Kyoto Protocol came into effect for the 141 ratifying countries, 227 US cities, including New York, Los Angeles, and Chicago, have joined the mayors' agreement.
http://www.w3.org/ns/prov#wasQuotedFrom	citymayors.com