Many global warming global sceptics like to point out that humans can’t be responsible for global climate change because natural events like volcanoes produce MUCH more CO2.
Present-day carbon dioxide (CO2) emissions from subaerial and submarine volcanoes are uncertain at the present time. Gerlach (1991) estimated a total global release of 3-4 x 10E12 mol/yr from volcanoes. This is a conservative estimate. Man-made (anthropogenic) CO2 emissions overwhelm this estimate by at least 150 times. –volcano.und.edu
It seems that –maybe, just maybe- global warming sceptics were talking out of their asses, or as is more likely for my readers, they were simply mislead by a persuasive ass-talker. Here is a hint: you can usually spot ass-talkers by their horrible breath.