CO2 May Make Earth +10-15ºC Hotter, Like Early Paleogene

A 2018 study suggested warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period – 56-48 million years ago. https://climatestate.com/2018/08/10/co2-may-make-earth-10-15oc-hotter-like-early-paleogene/