IMHO even if we stop pumping nasties into the atmosphere right now it would take decades, maybe even millennia, to get back to where we were last century. The sea has been absorbing much of what has been emmitted over centuries and it will only slowly, gradually get back to where it was, last century, over many many decades.
It is unlikely, no impossible, we will keep temperatures rises to below 1.5 degrees, governments are not doing enough to make 1.5 degrees possible. Its not easy, there’s no doubt about that, but the financial and political costs are to big and the will to do what needs to be done is not there.
The only person who got all his work done by Friday was Robinson Crusoe.
Anything i post over three lines long please assume it is an article lol.