Climate Letter #678

Posted on June 13, 2016 by Carl Campbell
Will Arctic sea ice extent set a record low in this coming September?  This site is one you may want to check out almost daily, as the race for the bottom unfolds.  The decade-by-decade trend is very clear, with the current decade sure to follow suit.  The individual years within a decade are much more mixed; 2012 was a strange one because it started out so tame, then broke loose with a mighty crash after the middle of August when hurricane-like winds took over.  This year has had a fast start under the El Nino influence, which has departed.  I can see its progress tracking below 2015 all the way down, but have no reason right now to predict a crash near the end.  The 2012 record looks safe, while 2016 could very well finish in second place.

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How a major reinsurance company (Munich Re) measures weather-related loss events.  As shown and categorized on this chart, the number of such events in Europe roughly tripled between 1980 and 2015.  The cost of damages, while not shown, is undoubtedly significant, and growing faster yet.
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How climate change adversely affects deepwater lakes.  Here is an excellent explanation of the cause-and-effect science that is involved.  Waters that are at times naturally stratified with respect to temperature levels must somehow become mixed again by means of circulation at depth, but that process is impeded by the changes in climate now occurring, which is highly damaging in many ways.
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The problem with getting people who resist climate action to change their mind.  This is a particularly difficult problem in the United States, where opposing views on climate change have become embedded in politics.  This writer, a professor at Duke, discusses a study he published about environmental politics, showing how people react when exposed to communications of a persuasive nature.
A former conservative Republican congressman, Bob Inglis, provides personal insights into how the party and its voters have been damaged, perhaps indelibly, by the effectiveness of the money and propaganda delivered by the coal and petroleum industries.
A vote in the House of Representatives last week shows how sharply the parties are divided.  This post also digs into the merits of a revenue-neutral carbon tax, which ought to be acceptable to conservatives but would be a disaster for the fossil fuel industry.
Carl

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