Volcanoes release less than 1% of the CO2 of anthropogenic emissions, according to USGS. But they also have a cooling effect by releasing sulfur particles that reflect sunlight. So yeah, volcanoes pretty much a wash, or at least de minimis compared to humans.
It is true that volcanoes have an effect. It’s just nothing compared to the scale humans are working at.
Volcanoes release less than 1% of the CO2 of anthropogenic emissions, according to USGS. But they also have a cooling effect by releasing sulfur particles that reflect sunlight. So yeah, volcanoes pretty much a wash, or at least de minimis compared to humans.