This quote from Bertrand Russell just caught my eye:

When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain than others.

I think the climate change deniers would do very well to keep this in mind.

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And putting near certainties aside, in risk management dealing with extremely negative possible outcomes, even great uncertainty is simply not your friend. Would you board a plane when the mechanic tells you, “I’m 95 percent sure the engines will not fail?”

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Tim Lambert notes, among other things, that Bjorn Lomborg thinks that is a flight worth taking.

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