5 stages of climate change denial:
1 - it's not happening, you're stoopid
2 - it is happening but it's not us causing it
3 - it is happening, it is us causing it, but it's a good thing
4 - it is happening, it is us causing it, it's not as bad as they predict
5 - it is happening, it us causing it, it's as bad as they predict, but we can't do anything about it