Volcanic winters only last a few years. The largest ones are estimated to only have a few degrees effect on global temperatures, so we could temporarily be in 1980s climate before returning after 3-5 years to an even hotter one than ever.
The climb would probably accelerated by the inevitable policy reversals by climate change deniers who would take hold of the temporary rapid reversal of global warming to burn as much fossil fuels while they have the chance
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Not meaningfully.
Volcanic winters only last a few years. The largest ones are estimated to only have a few degrees effect on global temperatures, so we could temporarily be in 1980s climate before returning after 3-5 years to an even hotter one than ever.
The climb would probably accelerated by the inevitable policy reversals by climate change deniers who would take hold of the temporary rapid reversal of global warming to burn as much fossil fuels while they have the chance