There is ACTUAL data that DIRECTLY ties CO2 to volcanoes. That is FACT. So obviously if there is an increase in CO2 it will cause an increase in volcanoes.
(I could argue this further with lots of fancy charts and measured data, but I would need at least $1.5 million in government grant money to fund this critical research that could save millions of lives.)
Every human who has died has been proven to have drunk water.