Climate Letter #766

CO2 report from Mauna Loa (scroll down).  The seasonal downtrend ended on schedule and the uptrend is underway.  The turning point this year was 3.4 ppm above that of last year.  On the upper chart you can see that 1973 and 1998, both El Nino years, were distorted just like 2016, after which the trend became normal again.  (Use the sliding bars for magnification.)  The normal trend, of course, must soon be broken the other way.

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This has been a good year for US carbon emissions.  The full year total should be the lowest since 1992.  The mild winter was a big help, less coal is used to generate electricity and renewable energy usage increased.  The all-time high was set in 2007, at a level from which we have dropped about 15%.  Now it is time for China to make the same turn.
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On the possibility of reaching 100% clean energy in the US by the year 1040.  There are proposals for doing so that are spelled out in every detail, including financing, using current technology.and conservative cost estimates, both of which have favorable prospects for improvement.  The public now needs to become educated and convinced that the plan is viable, the numbers are reasonably accurate and the entire effort is worth pursuing in an urgent manner.
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How large corporate and institutional customers are transforming the outlook for utilities.  Their behavior is based partly on idealism and partly on economics, with the latter more often being enough by itself.  State governments that want to attract new businesses have to adapt their regulations to accommodate this trend.
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How climate change is affecting the world’s coffee supply.  Here you can get the full story.  Difficulties are already present, and will become compounded as temperatures rise in the next few decades.
A region in Brazil is in big trouble growing coffee right now because of too little rainfall.
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What’s on the menu?  This is no joke.  The article even makes reference to an existing journal that specializes in the field of farming insects for use as food.
Carl

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