Climate Letter #1349

Fiery thunderstorms that arise from wildfires are growing in strength and frequency (Yale e360).  Their power can send smoke into the stratosphere, like volcanoes.  “Researchers say they are now documenting an average of 25 single-pyroCb events a year in western North America. The thing to watch out for in the future… is what will happen if we see more of the multiple pyroCbs events, like the ones that occurred in 2017, which were an order of magnitude larger than previous benchmarks for extreme pyroCb activity.”

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Mark Lynas is preparing an updated edition of his much-acclaimed book, Six Degrees, published in 2007.  Here he talks about the way things are happening so much faster today than he thought possible back then.  “It’s a scary task because many of the impacts that I had previously put in later chapters — equating to three or more degrees of global warming — have had to be moved forwards, because they are happening already.”  All of Mark’s research conclusions at that time were carefully drawn from leading pieces of scientific literature, which themselves clearly fell short.
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A report commissioned by Lancet finds that three major global problems, hunger, obesity and climate change, are closely interwoven and that all three have the same basic cause.  “Underpinning all of these are weak political governance, the unchallenging economic pursuit of GPD growth, and the powerful commercial engineering of overconsumption…..To defeat the intertwined pandemics of obesity, hunger and climate change, governments must curb the political influence of major corporations…..calling for a ‘global treaty’ similar to one for tobacco control.”  For that to happen the authors believe ordinary citizens will need to make far more demands.
https://phys.org/news/2019-01-radical-rethink-tackle-obesity-hunger.html
–Felicity Lawrence, an author of several books on nutrition, reviews the report for The Guardian, with some worthwhile additional commentary:
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From Inside Climate News, a new installment in its series of articles about the evils of industrial agriculture, with many details of the way it contributes to climate change, and much more.  “This system has transformed agriculture into a business that resembles the fossil fuel industry as it extracts value out of the ground with relentless efficiency and leaves greenhouse gas pollution in its aftermath.”  Journalism at its best!
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The PG&E bankruptcy “could mark a business milestone: the first major corporate casualty of climate change” (quoted from the Wall Street Journal)—but probably not the last.  This article from Vice describes a number of other situations that could be economically devastating, especially to financial institutions, in the years ahead.  Insurance companies have not been taking these risks seriously.  “Up until that point everything’s going to seem fine…..Then all of a sudden it’s going to be an issue with enormous societal impacts.”
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One major US utility is investing heavily in solar energy, and thriving.  The CEO of NextEra Energy sees the cost of both wind and solar generation, with storage and without subsidies, falling below that of any conventional power source.
Carl

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