Climate Letter #550

November of 2015 was the warmest of the satellite era, which began in 1979.  This post is especially interesting for data under the heading of “Tropics,” which reveals how patterns are prone to unfold during El Nino events.  We can look forward to a very sharp rise over the next three months.

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An interpretation of the meaning of the Paris agreement.  This one is from a popular publication in Australia.  (Most of the primary details of the agreement have been spelled out repeatedly in everyday media.)
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Reactions from a professional meteorologist.  This short video has some good comments, very direct and to the point.
My personal comment on Paris:  On top of everything else, this was a victory for true climate science, as opposed to the false teachings of the fossil fuel lobby that all government officials are constantly exposed to at the national level.  That lobby gets heard because it has the money needed to offer big incentives, to which a goodly number of officials in the past have often succumbed.  Climate scientists and their supporters only have arguments to offer, not personal incentives.  They have finally gotten the solid majority they needed who were willing to listen, and give a thumbs up.  Maybe we can call it a tipping point.
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What comes after Paris?  Paris was all about making pledges and setting ambitious goals, leaving the hard work of fulfillment to be figured out next.  What is left for governments to do?  Here is an experienced voice that says practically nothing, other than to get out of the way of free market competition, which is now quite robust and needs no special help.  Of course putting on a carbon tax and eliminating subsidies to fossil fuel producers and consumers would help by speeding things up.
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Practically everything that uses energy is going to be electrified.  That is the argument made in this rather inspiring post, and it is hard to disagree, except maybe in the case of airplanes.  Spectacular improvements in battery cost and performance will serve as the main catalyst.
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Are freshwater lakes subject to acidification?  Here is a good discussion of a subject that some people may be curious about.  There are reasons why very large bodies like the Great Lakes may have exposure.
Carl

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