Polar forests of the Cretaceous. Wow! Only need about 1000 ppm CO2, 600 more than current. https://en.wikipedia.org/wiki/Polar_forests_of_the_Cretaceous#Cretaceous_polar_forests …
-
Isn't temperature increase as a function of CO ppm logarithmic? Must be other factors to explain 10 deg if so.
There are positive feedbacks. https://en.wikipedia.org/wiki/Climate_change_feedback … @SR71999
-
-
That would certainly count as other factors, then.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.