ملف:Phanerozoic Carbon Dioxide.pngThis figure shows estimates of the changes in carbon dioxide concentrations during the Phanerozoic. Three estimates are based on geochemical modeling:
ملف:All palaeotemps G2.svgP. Kharecha, 2013: Climate sensitivity, sea level, and atmospheric carbon dioxide. Phil. Trans. R. Soc. A, 371, 20120294. doi:10.1098/rsta.2012.0294 Zachos
ملف:All palaeotemps.pngP. Kharecha, 2013: Climate sensitivity, sea level, and atmospheric carbon dioxide. Phil. Trans. R. Soc. A, 371, 20120294. doi:10.1098/rsta.2012.0294 Zachos
ملف:Dioxid carboni fanerozoic.pngJanuary 2008 Source http://www.globalwarmingart.com/wiki/Image:Phanerozoic_Carbon_Dioxide.png Author Robert A. Rohde Permission (Reusing this file) Aquesta
ملف:All palaeotemps.svgP. Kharecha, 2013: Climate sensitivity, sea level, and atmospheric carbon dioxide. Phil. Trans. R. Soc. A, 371, 20120294. doi:10.1098/rsta.2012.0294 Zachos