About: http://webisa.webdatacommons.org/142879693

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	All three periods have occurred while greenhouse gases, particularly carbon dioxide, have been increasing in concentration in the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	joannenova.com.au