- "6.7 Tg-SO2/yr in each hemisphere" Perspective: that's roughly one Berlin airlift in each hemisphere. (Peak airlift was 12,941 tons/day, which would be 4.7 m

- "6.7 Tg-SO2/yr in each hemisphere" Perspective: that's roughly one Berlin airlift in each hemisphere. (Peak airlift was 12,941 tons/day, which would be 4.7 million tons annualized). https://en.wikipedia.org/wiki/Berlin_Blockade https://en.wikipedia.org/wiki/Berlin_Blockade I don't know if the approach in the OP is a correct one or not; but it would embarrass the history of our species to argue we're not capable of doing it.