It's Trillions less than WWI, WWII, or any number of volcanic eruptions *alone*
And here we see an example of complete bullshit.
Human emissions are 120 times volcanic eruptions.
According to the U.S. Geological Survey (USGS), the world’s volcanoes, both on land and undersea, generate about 200 million tons of carbon dioxide (CO2) annually, while our automotive and industrial activities cause some 24 billion tons of CO2 emissions every year worldwide. - Scientific American.