We've been accidentally geoengineering for decades...but then we stopped:
We've been accidentally geoengineering for decades...but then we stopped:
SO2 actually (very temporarily) cools things down by seeding clouds and creating sulfuric acid aerosols. That's not, like, /good/, but by making more clouds (and also decreasing the size of droplets in clouds, and thus increasing their number) more sunlight is reflected to space.
Ref: https://twitter.com/hankgreen/status/1687535533831102464