I wish this kind of information were discussed when talking about global warming, then maybe not so many people would associate and react to global warming being caused by man. Then an intelligent thought process could be developed rather than reactionary comments and quips.
Such as we know global warming happens, as does global cooling. Even areas of the globe have changed from hospitable to dry and arrid, or frozen over the course of our known history. One day the climate will dramatically shift again, and we may be at the apex of it, or closer to the end or beginning of it. We don't know, and it seems that, regardless of that limitation, we presume we have an effect on the climate and that the climate would be stable without us.
We may have an effect, either through slowing down the earth's global climate changes or speeding up. We don't know either way, and we will never find out until reactionary garbage, politics, and clamoring for fame/funds gets removed from the equation.
Global warming is real. How much we factor into it, if at all, that's the mystery.