About: http://webisa.webdatacommons.org/405909350

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	The United Nations' Montreal Protocol on Substances that Deplete the Ozone Layer, introduced in the late 1980s, was ratified by 197 countries to curtail the production and emission of harmful gasses including CFCs.
http://www.w3.org/ns/prov#wasQuotedFrom	therecord.com