Volcanoes emit Sulfur Dioxide (SO2) which has a powerful effect on the climate and can cause acid rain. [Source: USGS.gov]

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[–]In-the-clouds[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Source: https://www.usgs.gov/programs/VHP/volcanoes-can-affect-climate

[–]IkeConn 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Coal fired power plants do the same thing but they have "scrubbers".

[–]ShekelPa 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Quick, tear up the constitution!