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John Hardman's avatar

Thank you for the comprehensive article. Sadly though, I sense we are “whistling past the graveyard” in our hubris of control. In psychology, there is a well-documented tendency to imagine we have much more control over random outcomes than reality dictates.

Humans tend to be eternal, optimists even when there is no evidence to support such Pollyantics. Youmadmitmthatmyour data and models are speculations since we have no historical hard facts to rely on. Might this simply be an example of our collective “illusion of control” when we might be wiser to assume the worst-case scenario and embrace our likely doom?

Gestalt psychologist Fritz Perls started: “Nothing changes until it becomes what it actually is.” There is no silver bullet to slay the beast, no world governmental white knight coming to make us all behave and save the day. As we inch toward a world human population of 10 billion or more, the consequences will be increasingly evident and probably not in a tidy linear manner. Wisdom would dictate that we assume the worst-case scenario and make preparations erring on the side of caution. Reality may nat look anything like our rosy models and it would be nice to have a ‘plan B.’

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anton's avatar

Under the "good news" portion of this article you state that scientists have done a lot of modeling of methane feedbacks, etc and that it still shows a linear warming. I find this to be reductive and missing of the point, which in my view as an engineer, is this: the fact that climate change is a composite problem, a rather complex polycentric nonlinear system problem, the linearity of warming is much more of an input and not solely an output as implied by your statement. Linear warming can and will have many resulting, often cascading effects. The fact that the warming is linear does not mean the impacts of that warming are linear as well.

Further, have you ever and I do mean even once, read a scientific paper or article about a scientific paper that states: Climate Change Not As Bad As Previously Estimated....? In 15 years of reading scientific papers and countless articles, I have only seen a constant steady stream of the opposite. So whenever I hear scientists or journalists making claims from a position of 'fact from modeling' I do remind myself that we're all just doing the best we can. "All models are incorrect, but some are useful" is the phrase many scientists use to caveat their model findings.

So, no... linear warming is not good news. It is only part of a larger more complex polycentric nonlinear system.

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