https://factsfromthefield.wordpress.com/2016/12/14/can-mt-etna-change-climate/#:~:text=Ash%20and%20sulfate%20aerosols%20have,2%20in%20a%20quiet%20year.&text=An%20eruption%20of%20Mt%20Etna%20will%20likely%20not%20affect%20the%20global%20climate.

Ash and sulfate aerosols have a cooling effect as they reflect sunlight away from Earth while CO2 causes warming. Mt Etna, Sicily, is one of the most active volcanoes in the world, and may emit 1 million tons of CO2 in a quiet year. ... An eruption of Mt Etna will likely not affect the global climate.14 dic 2016