Fun facts:

Over 95% of the greenhouse affect comes from water vapor. Co2 isn't nearly the most potent Nd human beings only represent minority of co2 production...

There isn't a historical causal relationship between co2 levels and surface temperatures. In fact according to the ice cores the OPPOSITE is true.

There have been times in the Earths history when there were no or very little ice caps.

The giant fusion engine that provides 99.999999999999999999999999 of the energy on the planet has power cycles.

Last but not least the earth has been warming and cooling for all of its 4.1 billion years. Glacial periods, ice ages, tropical climates etc.

---