I think another issue is that you'd need to have mega-ton delivery capacity 
ready to go within a timescale of months. I don't see this being built up 
without there being a plan to use it. I agree with Andy that it seems wiser 
to start slowly than piggy-back off of a volcanic eruption


On Tuesday, 13 March 2018 00:38:24 UTC-4, Andrew Lockley wrote:
> Hi
> Volcanoes cause sudden cooling. This could be used to start 
> geoengineering. 
> There's been a lot of discussion on termination shock, but the concept of 
> reverse termination shock (or volcanic start) has not had widespread 
> exposure. 
> I've also seen significant discussion of a volcanic eruption during 
> geoengineering, but I've never seen the idea suggested of using a volcano 
> to start geoengineering.
> The logic is fairly straightforward : if a volcano causes a lot of 
> cooling, you can just carry on with the cooling artificially. 
> In the next few decades there's potentially going to be a volcano that 
> causes 0.5-2C cooling. This is potentially a good time to start - although 
> we won't know when it will be.
> Thoughts are welcome 
> Andrew 

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