1. Cutting emissions to zero. Not cutting back, zero
2. Extracting a chunk of co2 from the atmosphere and sequestering it
Cutting back just means things get worse less quickly. They still get worse.
To solve the issue we should be building nuclear among other things but for whatever reason the green movement has opposed the solution for decades. Even shutting down nuclear to use more coal. Renewables are great but nothing currently is replacing baseload co2 producing fuels, which are still growing globally. And which will still grow unless we make an economically feasible baseload alternative.