I’m a Climate Scientist—Here Are 26 Climate Myths I’m Tired of Hearing

6. ‘Volcanoes Emit More CO2 Than Humans’

This claim is simply false. Human activities release vastly more CO₂ than volcanoes ever could.
According to the USGS, our annual CO₂ emissions are more than 100 times greater than the output from all volcanic eruptions combined. Volcanoes play a role in Earth’s carbon cycle, but they’re nowhere near the primary source of today’s excess CO₂.