About: http://webisa.webdatacommons.org/333963643

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	Several explanations for this widening have been proposed, such as radiative forcing due to greenhouse gas increase and stratospheric ozone depletion.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com