title: Academy affirms hockey-stick graph.
authors.forename: Geoff
authors.initials: G
authors.lastname: Brumfiel
mesh_terms: D017752:Greenhouse Effect; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D049690:History, Ancient; D049691:History, Medieval; D013997:Time Factors