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ragnar
reality is subjective when we dont know what the truth really is. ex post it will be clear but right now we still dont know. For ex. there IS a causal mechanism that is well understood for global warming - more CO2, other things equal, will cause warming. The problem is that other things are NEVER equal so it ends up being a judgement call on incomplete evidence whether or not those other things do or dont outweigh the effects of CO2 per se. That is why people still argue about it. On the evidence we now have either side could end up proving correct in the end depending on what new data we get and what new understanding that helps us achieve as to what is really going on. As I have said, the existence of a known causal mechanism together with data supporting the correlations that mechanism would predict look to me like there is reason to worry. However, it is also possible that there is another explanation for those correlations (another mechanism, bad measurement, etc.) and if that is shown well then I will change my mind. But neither side of this argument is clearly in the wrong, and being on one side other other doesnt make anyone stupid - It is just a different reading of conflicting evidence where the real truth wont be known until later on.
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