Is Climate Change the “Defining Challenge of Our Age”? Part 2 of 3

Part II: Where does global warming rank among future risks to public health? Guest essay by Indur M. Goklany In Part 1, we saw that at present climate change is responsible for less than 0.3% of the global death toll. At least 12 other factors related to food, nutrition and the environment contribute more. All this,…

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What Is Normal Arctic Ice Extent?

Guest post by Steven Goddard I have been noticing in recent weeks that NSIDC extent is much closer to their 1979-2000 mean than NANSEN is to their 1979-2007 mean.  This is counter-intuitive, because the NANSEN mean should be relatively lower than NSIDC – as NANSEN’s mean includes the low extent years of the 2001-2007 period.…