It could easily do it, in my opinion. Even current solutions could (if the simulations are right) stop the warming - but maybe not the CO2, but it is not that clear how much of a deal that is. I am talking about aerosols or marine cloud brightening. (Wrote a student paper about it.)

With the scientific breakthroughs that we will have in 40 years? I can't imagine climate change to be much of a challenge anymore. In my opinion people should choose another topic to be freaked out about. Nuclear war is scarier.