Climate Letter #1269

Posted on October 2, 2018 by Carl Campbell
Many of the world’s largest cities would be drowned by 3C of global warming (The Guardian).  This story was published last November and for some reason I failed to pick it up at the time.  Since we are heading for 3C in this century—at the current rate, the people who live in major coastal population centers should know what is in store for them.  The post has everything mapped out in explicit fashion.  And it reminds us of a likely fact:  “Although sea levels will not rise instantaneously, the calculated increases will be “locked in” at a temperature rise of 3C, meaning they will be irreversible even if warming eventually slows down.”

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Temperatures in the most northern parts of Russia are rising in a dramatic way.  This story from the Barents Observer (with pics) leaves no doubt about the serious nature of the problem.  In the area around the Kara Sea temperatures have risen by 4.95C in the last twenty years.  The entire month of March was 13C above average.
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A four-minute video about the way Greenland’s ice is melting.  Narrated with great clarity by Josh Willis, this video is worth every minute for the photography alone.
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“Frozen Ocean, A photographic primer on the dynamics of marine ice”  This article from Hakai magazine features fourteen spectacular photos along with some good education.
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“Solar flow batteries” are emerging as a viable source of energy in off-grid locations.  These batteries, which integrate photovoltaics, storage and energy delivery, are becoming more efficient and cheaper to make.  “Typically solar energy is turned into electricity and then stored, but the solar flow battery will store the energy before turning it into electricity, helping reduce losses and inefficiencies.”  Efficiency, now a fairly respectable 14%, could in theory be raised to 25%, making the devices quite competitive as well as useful.
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“Pumped hydro” energy storage has long been a mainstay for electric power producers.  This story features what is called “the world’s most beautiful battery,” located high in the Alps, preserving excess energy produced by wind and solar facilities.  People come from all over the world to see it.
Carl

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