Randall chose one of the lowest point every in the history of earth as the "baseline". We are still in one of the coldest period ever for earth.
The recent rise of temperature is significant, but not unprecedented. Before we reach a point that one could qualify as a "hot earth", we would need to warm up by an additional 10 to 15 C°
https://www.researchgate.net/publication/356606430/figure/fi...
https://www.climate.gov/sites/default/files/styles/full_widt...
Randall chose one of the lowest point every in the history of earth as the "baseline". We are still in one of the coldest period ever for earth. The recent rise of temperature is significant, but not unprecedented. Before we reach a point that one could qualify as a "hot earth", we would need to warm up by an additional 10 to 15 C°