Global Warming/Climate Change

[TomOfSweden]

Um, ok... Let's recap that then.

Low CO2 levels -> Ice Age.
High CO2 level -> No ice age.

So we do know CO2 is responsible for it.

Ouch. All we know is that there's a strong correlation between CO2 levels and global temperatures. It doesn't in the least imply causality.

Here's an article on causality.