Excuse me, but I just read through this really fast. If I missed something, I'll come back after class and amend myself
The statement that volcanoes release more 'pollutants' than humans do is really a factual one. Some eruptions can release more sulfur dioxide (which causes sulfuric acid rain) in the span of a week then humanity has in a few to several years. Ditto for carbon mono- and di-oxide, methane, etc. It is a natural process, which has a natural recovery time faster than what most environmental Groups are willing to admit.
This doesn't mean, however, that humanity should be contributing more to it. I, like Fyron, live around LA right now. The Last time I had a breath of fresh air was just after it had stopped raining, and most of the smog was filtered out of the air... the stuff ain't healthy. There are lots of people shouting at both ends of the spectrum ("Save the Planet!", "Don't mess with our way of life!"), and usually when you have two diametrically opposed Groups like that, the 'right answer' is somewhere in between.
Eh, I'll finish later...