The report from the whitehouse regarding their review of soloar geoengineering. Dont think that this is a good idea. Neal Stephenson wrote a novel about this (called Termination Shock) about stratospheric aerosol injection to reflect solar radiation back out into space. could be good for some regions. But something like that globally could be very bad (i.e. stop the monsoon in India could really screw up their food production) https://www.whitehouse.gov/wp-content/uploads/2023/06/Congressionally-Mandated-Report-on-Solar-Radiation-Modification.pdf