9 ms·Aerosol injection is not very expensive.by adrianN 3y agoAerosol injection is not very expensive.moffkalast 3y agoOn a planetary scale, literally everything is very expensive.adrianN 3y agoIt is not very expensive compared to other things we do on a planetary scale.Jensson 3y agoIt is cheap enough that a single rich dude could cause another ice age, it isn't very expensive.