title: Climbing the co-evolution ladder.
authors.affiliation: Tyndall Centre, UK.
authors.forename: T M
authors.initials: TM
authors.lastname: Lenton
authors.forename: H J
authors.initials: HJ
authors.lastname: Schellnhuber
authors.forename: E
authors.initials: E
authors.lastname: Szathmáry
mesh_terms: D000818:Animals; D001272:Atmosphere / Q000737:chemistry; D044822:Biodiversity; D005075:Biological Evolution; D002245:Carbon Dioxide / Q000378:metabolism; D003081:Cold Climate; D018534:Earth, Planet; D005057:Eukaryotic Cells / Q000378:metabolism; D006801:Humans; D019369:Life; D008697:Methane / Q000378:metabolism; D010100:Oxygen / Q000378:metabolism; D010788:Photosynthesis; D010944:Plants / Q000378:metabolism
chemical_list: D002245:Carbon Dioxide; D008697:Methane; D010100:Oxygen