Climate Letter #684

How aerosol emissions affect the climate.  Anyone interested in climate science should get real benefit from this review of a new study on the effects of aerosol emissions.  For example, regional variations in the concentration of aerosols is said to have had an effect on the strength of Pacific tradewinds in recent decades, adding an unexpected cooling effect to ocean surface temperatures and thus to air as well.  With aerosols under better control, and the PDO turning positive again, we should expect the return of a more persistent and possibly stronger upward warming trend.

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How forecasts for future summer heat extremes are being created.  In this story you will find predictions of unprecedented summer heatwaves occurring as this century progresses.  You will also see a discussion about how the latest forecasting models are created, and how they can be tested against historical actualities.  The amount of increase in greenhouse gasses turns out to be the critical factor, which is not too surprising.  It is noted that Africa is likely to experience the greatest number of summer heatwaves just because due to its location much of the continent is always in summer.
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Hot weather and kidney disease are closely correlated.  This has been statistically verified.  Dehydration is the key, with outdoor workers having the greatest risk exposure.
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How the denial of climate science and the reality of climate change is being funded.  There is quite a bit of history involved, a good part of which is still being exposed.  This story has much to tell, building a broad picture that goes well beyond the fossil fuel industry.  Political ideology has been deliberately and effectively cultivated to lend a hand, largely through the clever use of misinformation to play on public fears.
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How batteries will miraculously transform the energy business, according to Joe Romm.  Batteries that are built with the latest technology are a perfect fit for both the transportation and electric power industries, making it possible to undercut all of the advantages now held by fossil fuels, ultimately allowing energy to be cheaper than ever before.
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Apple is making big plans to be in the energy business.  The company is already spending more on research into electric and autonomous vehicles than it did on iPhones, iPads and Apple watches combined.  Now it is making preparations to sell electricity as well, with everything 100% clean.
Carl

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