You've heard about the UK Govt's plan to dim the sun, but you'll never guess what it's called.. go on guess...
No? The “Stratospheric Aerosol Transport and Nucleation,” or SATAN.
https://www.technologyreview.com/2023/03/01/1069283/researchers-launched-a-solar-geoengineering-test-flight-in-the-uk-last-fall/