While I am not an expert on global warming, the available literature seems to indicate that when everything is considered, the damage of global warming is probably not as high as the damage of the proposed solutions to global warming. That’s of course not to discount the danger or reality of the phenomenon — global warming is undoubtedly real and very serious — but merely to say that too many proposals will achive very little at too much cost (both in terms of actual GDP and in their effect on the lives and cultures of peoples). The existence of a serious problem does not mean we should jump and “do something”, we need to analyse whether what we do might actually make our overall lives much worse than if we did nothing.
Here’s Jim Manzi making the case against a carbon tax or similar approach to address global warming.
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Ryan Avent on the incompatibility of climate science and some libertarians:
That is to say, confronted by a problem demanding solutions inimical to libertarian beliefs, libertarians were faced with the choice of reneging on their beliefs or turning their back on science. Tellingly, they chose the latter. One might think that’s a rather drastic decision, given the role scientific endeavors have played in delivering the material prosperity so dear to the hearts of the libertarian world, and one would be right.
A belief system that cannot grapple with the fundamental reality of a situation is, quite simply, not a belief system worth having.
I agree completely with Avent’s last sentence. I am also a libertarian. So what goes?
First off, Avent is wrong in his basic claim. There are very many libertarians who approach scientific questions scientifically. And most of them conclude that human induced climate change is real. Sure, some libertarians do turn their backs to science, but it is wrong to use that as an excuse to tar the whole movement.
Secondly, what Avent and others of his ilk forget is the question of how to deal with the problem of climate change is not merely a scientific one. It is perfectly consistent and reasonable to accept that AGW is happening and still reject most of the solutions being proferred. The question of what to do about any problem (or indeed, whether to do anything at all) depends not merely on an analysis of the problem (this is the scientific part) but also of how much value, that is costs and benefits you attach to each aspect of the problem and the possible solutions (and their consequences). This is where analysis and ideology interact in a complex manner.
I had a conversation with a friend a week ago. He asked me the following question: what would I do if I had to choose between truth and libertarianism? I answered that such a choice would never be necessary. Sure, the pursuits of truth and happiness do conflict, and so do freedom and happiness. But I cannot conceive of truth and freedom ever conflicting. I believe my moral axioms are good enough to ensure that.
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