Nature solves that problem by freezing stupid primates to death and destroying their civilizations with famine, war and exposure. Still confused? Nature doesn't care. The Earth doesn't care that you are a moron. The Earth doesn't care, period. It has seen many races of men come and go. In terms of biological game theory this is solitaire. You're either smart enough to recognize your own conditions or you aren't. Getting a delusional consensus about the climate won't help you, either.
THE ORIGINAL VAULT-CO PREMISE IN 2002