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etking said:

The climate is very complex and not understood at all, thus predictions are impossible. (Statement by the the IPCC Working Group I, if they admit that predictions are impossible, why are we talking about predicted global warming).

And the effects of CO2 are minimal, it would violate the laws of physics and aerodynamics if CO2 had a larger effect. CO2 is not bad, it is essential for all life to exist and leads to global greening. Also the climate changed very little in the last hundred years and is always changing since the earth was born. It goes from warmer ages to ice ages to warmer ages and so on and will never stop changing.

I am not an expert on the matter myself. But after talking to several physicists and aerodynamics engineers, they convinced me that the predicted link between CO2 and warming must be minimal and cannot be the major cause for climate change. In the peak of an an average warm age there will be and has always been no ice on the north and south pole. So trying to keep the temperature change smalll in order to prevent the ice from melting is useless anyway. Because it will melt completely and after that there will be an ice age as it always happend in the last hundreds of millions of years.

you know who never lived during a warm age? homo-family species

the current ice age (a term which means that there are polar ice caps present during the whole year) has started 15 million years ago and even the earliest human precursurs we found only date back to 4.5 million years ago

so our kind and our known eco-system thrives in an ice age and a switch to a warm age is very much potentially desastrous to us, so even if CO2/human activity isn't the real culprit endagering our way of life we have lots of good evidence that it might be, so the logical consequence has to be to limit CO2 emission severely

a certain lvl of CO2 concentration (200-250ppm) seems to be necessary for earth to be warm enough (even the video you linked to earlier agrees with that!!) and not completely freeze over (obviously depending also on solar activity/earth's orbit/distribution of continents on earth/..), but we went from 290ppm to 400ppm in the span of 100 years, which is a gigantic increase in very very little time geologically speaking