About: http://webisa.webdatacommons.org/133643125

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	However, NOAA's measurements of CFCs, HCFCs and other ozone-depleting substances show that the total amount of chlorine and bromine in the atmosphere began decreasing in the 1990s!
http://www.w3.org/ns/prov#wasQuotedFrom	noaa.gov