Sadly the amount of CO2 in our atmosphere even if we stopped polluting today. Will still bring about huge negative effects down the road. We need to decarbonize our society(listed first because it’s the first priority) AND remove CO2. Source & a great read: https://www.orbuch.com/carbon-removal/
If you want to learn about carbon dioxide removal check out AirMiners: https://bootup.airminers.org/ they have a useful self paced curriculum