Or...you could spray stuff in the upper atmosphere: https://www.cbsnews.com/news/geoengineering-treatment-stratospheric-aerosol-injection-climate-change-study-today-2018-11-23/
Yeah let's have planes fly around polluting the air all day spraying dust, sounds counter productive does it now?
Not really, do your research about it.
Having said that, personally I don't endorse or support such climate modification efforts.
