title: How did humans first alter global climate?
authors.affiliation: University of Virginia, USA.
authors.forename: William F
authors.initials: WF
authors.lastname: Ruddiman
mesh_terms: D000383:Agriculture / Q000266:history* / Q000379:methods*; D002245:Carbon Dioxide; D002980:Climate; D003247:Conservation of Natural Resources; D004194:Disease; D017752:Greenhouse Effect; D049672:History, 19th Century; D049690:History, Ancient; D006801:Humans; D008697:Methane; D014867:Water
chemical_list: D014867:Water; D002245:Carbon Dioxide; D008697:Methane