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Yep, no doubt that global climate changes occur naturally - who's disputing that? Around 1000AD, there were effing dairy farms on Greenland - dairy farms! A mini-ice age occurred around 1400 which forced the Scandinavian settlers to abandon them. It happened very quickly and this mini-ice age was well documented in Europe. As it is still far too cold today to have dairy farms on Greenland - I'm not exactly crapping my pants.
There were and will continue to be ice ages and global warming despite what we humans do. It's cyclical. No scientist has been able to establish that all of our emissions alone, taken in the most radical light, could contribute any more than +.25 of a degree.
It's happening, but I seriously doubt it's us.
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