For that to happen the carbon would need to be buried in the ground again, however
And it's possible that humanity has emitted so much and warmed the globe so much that we shift the global climate stability point to something else than was before. It's possible the new equilibrium over millions of year will be a warmer earth
Which is not really a horrible realization, we know earth has a shelf life, the question is will we be able to solve space colonization to ensure the survival of our species?