Sure, here's a really simple one: https://www.metabunk.org/sk/Volcanic-activity-1945-2015.png https://www.metabunk.org/sk/Volcanic-activity-1945-2015.png Inte

Sure, here's a really simple one: https://www.metabunk.org/sk/Volcanic-activity-1945-2015.png https://www.metabunk.org/sk/Volcanic-activity-1945-2015.png Interestingly, this graph shows volcanic activity declining after the passage of the clean air act - perhaps the gods of volcanism heard our pleas. In all likelihood, yeah, it was a combination of the two factors, but it did bug me that they ignored below-average global volcanism post 1970.