The realistic way? I think something like this: https://thefreethoughtproject.com/harvard-geoengineering-particles-stratosphere/ https://thefreethoughtproject.

The realistic way? I think something like this: https://thefreethoughtproject.com/harvard-geoengineering-particles-stratosphere/ https://thefreethoughtproject.com/harvard-geoengineering-par... So, some kind of geoengineering