Climate Letter #740

Greenland’s melting season is now over.  Here is a report from Copenhagen on how it went.  There were some unusual events during the season but the total effect was not overwhelming.  Note how the concept of “mass balance” has two separate ways of being calculated.

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How the Louisiana rainfall deluge was related to climate change.  It is all a matter of odds.  Such an event is now said to be a minimum of 40% more likely to happen today as it was in the year 1900, possibly even twice as likely.  The science behind coming up with numbers like this is getting more refined and more credible, as explained in this story.
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The complicated relationship between rainfall, drought, plant life and carbon dioxide.  New studies have interesting information that is applicable, by an largely unknown extent, in some parts of the world.  This story, which must be closely read for all the details, is of a type likely to be misrepresented by climate deniers, which we will soon find out.  Drought projections for North and South America and southern Europe are not affected.
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Another story about the growth of partisan polarization over environment and climate change in the US.  This one is interesting because of the way it deals with the causes and the difficulties of reversal in the face of deep-seated entrenchment.
Comment:  It appears to me that climate denialism is being aggressively incorporated into the agenda of the conservative wing of the Republican party, which leads one to recall how “neocons” managed to dominate Republican foreign policy during the Bush era.  Democrats would be wise to keep the climate issue totally separated from their basic liberal agenda, quite reasonably maintaining a status similar to that of national security.
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Yet another study sees a strong increase in the number of voters who consider themselves to be independent of either major party.  This is especially true of Millenials in the 18-29 age bracket.  They should be looking at future climate as something to take seriously, more so than older folks.
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Followup report on the latest solar panel innovation. (See the report in yesterday’s letter.)  Here is a more detailed explanation of how the product works, which is rather intriguing.  I can see how a complete panel with all its components would cost perhaps twice as much as a conventional panel having the same surface area, but then produce twice as much electricity while using a smaller number of cells, of an extraordinary but not unproven type.  That would be economically attractive.  There is a link to a NASA program from 2011 that adds considerable credibility to the basic idea.

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