STAGE ONE: Climate isn’t changing – you scientists are faking/cherrypicking/manufacturing the data and we will continue to investigate you until we prove it.
STAGE TWO: Okay, climate IS changing–but not because of humans. Everyone knows it’s [insert favourite cause: natural cycles, volcanoes, the sun, cosmic rays, or we should study it more because scientists still don’t know].
STAGE THREE: It’s changing, and it’s us, but hey – who wouldn’t prefer warmer weather and higher carbon dioxide levels? It’s all good. Pass the margaritas.
STAGE FOUR: It’s changing, it’s us, and some of the impacts might be bad; but it’s far more expensive to fix it than it is to live with the consequences. At least for my donors, that is.
STAGE FIVE: Oops! It’s too late to do anything about it now. You scientists really should have tried harder to warn us. Your bad.
[From Katherine Hayhoe via Climate Denial Crock of the Week]