Climate Letter #1399

Posted on April 8, 2019 by Carl Campbell
A major new study provides in-depth analysis of physical changes in the Arctic due to temperature gains (Inside Climate News).  The study, which begins in 1971, covers a period when the Arctic was warming 2.4 times as fast as the global average, causing a massive transformation.  “Global warming is transforming the Arctic, and the changes have rippled so widely that the entire biophysical system is shifting toward an “unprecedented state,” an international team of researchers concludes in a new analysis of nearly 50 years of temperature readings and changes across the ecosystems…..Together, the changes documented in the study suggest the effects on the region are more profound than previously understood.”

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–Here is the study in full, written in non-technical language.  It is well worth reading, and be sure to watch the video that is part of the introduction.  The lead author, Jason Box, has has an outstanding record of public communication, and it shows.
–A story about this report by CBC contains a number of extra insights heard from two of the co-authors:
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A good reporter has gathered information and opinions related to all the major flooding events that have been happening around the world (Think Progress).  “At the very basic level, what we can say is that the warmer atmosphere holds more moisture, so we are expecting to see events that are more severe.”
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What is the risk of completely devastating climate change?  David Spratt is an Australian who has spent decades studying the science, the way it is presented, and the human response at the most critical level where science is translated into policies that lead to action.  His views, which have often been published, are generally constructed as an attempt to represent, not his own opinion, but the reality of what people in a variety of important leadership roles are actually saying and doing.  He is quite good at this.  Here is his latest analysis, as published in Arena Magazine.  One person he quotes, John Schellnhuber, has this to say in conclusion:  “We have to save the world but we have to save it in a muddled way, in a chaotic way, and also in a costly way. That is the bottom line, if you want to do it in an [economically] optimal way, you will fail.”’
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The managers of giant investment funds can make a real difference, and two more have decided to do so (The Guardian).  “Norway’s $1tn oil fund, the world’s largest sovereign wealth fund, is to plunge billions of dollars into wind and solar power projects. The decision follows Saudi Arabia’s oil fund selling off its last oil and gas assets.”  Decisions like this can have a surprisingly important role toward offsetting the ineffectiveness of all those persons (as in the above story) who choose to procrastinate.
Carl

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