Antarctic ice on 1 Jan 2024 NASA’s Scientific Visualization Studio
Earth鈥檚 climate isn鈥檛 easy to cool down 鈥 especially if you want it cold enough for ice caps to form. According to a model of the geological forces shaping the climate over the past 420 million years, reaching such 鈥渋ce house鈥 temperatures requires a combination of rapid rock erosion removing carbon dioxide from the atmosphere and less CO2-releasing volcanic activity.
Despite record high temperatures on brief human timescales today, Earth鈥檚 climate is currently colder than usual. 鈥淲hen you look back in the geological past and you try to…



