[bregma]

Sulphur dioxide. That's the thing that caused all the acid rain that was going to be the end of all life as we know it back in the 1980s when were still concerned about global cooling, right? The same thing that made it possible to practice the moon landings just downwind of Sudbury, Ontario because all vegetation was stripped by the fallout from the big stacks at the nickle smelters?

Yeah. Pump that shit into our atmosphere. What could possibly go wrong?

[darkmarmot]

It's a tiny fraction of what we already emit -- above the tropopause and, you know, weather? The primary concern is related to ozone damage.