An anonymous poster wrote:
the world was working extremely well before we came along, the volcano's
produce co2 the plant life eats it,

There are quite a few dinosaur species who would beg to differ.

and if you don't believe co2 is bad for you run your car in
the garage with the doors closed and see how well you breathe

LOL Try that with a current model car and you will get not much more
than a headache, unless you really seal up the room and then wait quite
a while. Actually, I bet the engine would run out of air before you did.
THis method is no longer a viable (ironic that) choice for the would-be
suicide.

It's quite a stretch from "Pollution and overconsumption are bad" to
"our way of life is causing global warming"