Even if we did everything needed right now and further on, we'd still have 30 years of the current state of our climate.
Short of a revolution, nothing is going to change.
We'd be better freezing as wide of genetic diversity embryos of endangered animals such as the pictured polar bears at this point in order to "save" them, sadly.
I was told in the 70s while in elementary school that we were doomed by an new ice age. That was the justification for the first Earth Day!
Why don't you quit your fear mongering.