A new report from David Spratt at Climate Code Red. As a student of climate change David, an Australian, has been around for decades much like Bill McKibben, and like Bill became alarmed early on by what he saw. Both of these men have written to considerable effect about why we should all be alarmed. Every couple of months, or whenever his sense of dread has been reinforced by facts on the ground or by comments from top scientists, David puts out a new post that pulls no punches. This one summarizes his worst findings from 2017, most of which I think have been covered here in one form or another. I believe the points he makes about how climate sensitivity and climate risk are both widely underestimated are well-founded, which means social policymaking has a long way to go in order to catch up.
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Scientists are studying the way climate change affects flows of refugees. John Abraham reviews a new report that sets forth general principles that are applicable, linking the rate of flow to temperature increases.
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More content from the draft of the new interim IPCC report, from Inside Climate News. This adds to comments made in Friday’s Climate Letter. The report, due in October, will be over 800 pages long and will thus cover a great many items of interest!
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What are climate models and how do they work? Carbon Brief is offering a highly detailed explanation. This is the first article in a week-long series, clearly designed to help anyone who has a deep interest in learning about this fascinating tool of science. Here is the opening statement: “A global climate model typically contains enough computer code to fill 18,000 pages of printed text; it will have taken hundreds of scientists many years to build and improve; and it can require a supercomputer the size of a tennis court to run.” Making updates and improvements then becomes a never-ending process, never quite reaching perfection.
Carl