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.

Grist relies on the support of generous readers like you. Donate today to keep our climate news free. All donations matched!

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?”

Grist thanks its sponsors. Become one.

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

Grist thanks its sponsors. Become one.