Trust and Certainty are not enough to convince

In the previous post I ended with the statement that it was not very comfortable on the “wrong” side of the debate, but nevertheless that this was the side I wanted to be on. That sounds a bit strange for someone green of heart. I am not masochistic either. How could this be?

In my believers years I perceived climate communication as something that was certain. The scientists seem to have their stuff in order. They had a real simple, easy to understand concept. And they looked sure, very sure. The science was clear. There was a consensus, you know, 97% of the scientists agree. The models agree with each other and allegedly show skill. The deniers just an uninformed, biased lot with an agenda. Connected with Big Oil and with Big Tobacco. I got to hear there are many pieces of evidence: raising sea levels, melting pole caps, increasing temperatures, extreme weather,… To summarize: we are heading to a disaster. There wasn’t much doubt about that.

Who would argue with that?

Although I had the impression that scientists in the media exaggerated matters, I believed the theory was basically true. Why would I doubt? It all looked plausible. Most people around me think the same. The media regurgitate the same things over and over. I am no scientist, so how would I know?

But when looking into the issue, things didn’t add up. I didn’t really understand, until I realized that climate is a complex and chaotic system. In such a system such high confidence levels can never be warranted. Settled science in a complex and chaotic system is suspect. Models of such a system are doomed to fail in such environments.

In a simple logical system this would definitely fly, but climate is not that kind of system. Therefor the many comparisons with straightforward forms of science, with the allusion that climate science is as certain/settled/…

There is only a couple decades of accurate global data. Before that, only sparse data that was never intended to be used that way. How can the science being certain when climate is about the long term data, that is not there yet? How to distinguish between a recovery of a cold period and anthropogenic global warming?

The assumed certainty clearly serves another purpose. My guess: political. It is about credibility. Even although I find myself in a minority view and although there is a strong resentment, even hostility, against this view, I find it increasingly difficult to stand behind this kind of “evidence”, How certain one may bring it.


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