3 ms·
At 1300 ppm strato-cumulus clouds can no longer form. [0] Losing those is a +8C temperature increase alone. [0] At that approx +3ppm/yr, it would be about 300
by seadan83 2y ago
At 1300 ppm strato-cumulus clouds can no longer form. [0] Losing those is a +8C temperature increase alone. [0]
At that approx +3ppm/yr, it would be about 300 years before we are there. Which is about 10 human generations, which is roughly the grandchildren of your grandchildren's grandchildren.
At +8 on top of wherever the temp is then, my understanding is that is effectively talking runaway greenhouse effect and a hothouse earth.
To make it more grim, the ocean has been acting as a carbon dioxide and heat sponge, and is possibly getting saturated. The rate of human emission increases is only starting to level (still increasing though [going from recollection, please correct me if wrong]). And to make things even more grim, that is still not counting other feedback loops like permafrost melting and boreal forests burning.
[0] https://www.sciencealert.com/high-levels-of-co2-could-stop-these-cooling-clouds-from-forming-warn-scientists https://www.sciencealert.com/high-levels-of-co2-could-stop-t...