Archives For climate risk

The IPCC issued a set of lead author guidance notes on how to describe uncertainty prior to the fourth IPCC assessment. In it the IPCC laid out a methodology on how to deal with various classes of uncertainty. Unforunately the IPCC guidance also fell into a fatal trap.

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The Newcastle 2007 storm

The truth is incontrovertible

According to Drew Warne Smith and James Madden writing in the Nov 7th edition of the Australian:

 “The science is in on sea-level rise: 1.7 mm” , …we don’t need to worry about sea level rises in Australia as a ‘scientific’ 1.7 mm rise is a third less than the government’s overheated predictions…

How Smith and Madden set out to construct a case that government predicted sea level rises are exaggerated provides an excellent example of how fallacious arguments can be used to misinform the unwary, and in this case skew the reader’s perception of risk. Continue Reading…