Climate Letter #689

Rainfall has been improving in the Sahel region of Africa.  This highly educational story provides a new explanation, linked to warming of the Mediterranean Sea.

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Climate science.  How does the climate system really work?  There is no way you can understand it without constantly improving your knowledge about what goes on above and beneath the surface of the ocean, all of which is immensely complicated.  This study brings a new perspective to the role of Antarctic sea ice, which forms and breaks up every year, chunks of which then get carried away for great distances driven by winds.  Effects go all the way to the deep ocean bottom.

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One more route to better battery performance has been discovered.  This research has found a way to look deeply into the way electrons flow within a battery.  It has found significant bottlenecks that reduce performance.  There are ways to clean up those bottlenecks which are now being explored.  This kind of testing should be helpful to every type of battery under development, eventually resulting in one that is close to perfect, and also cheap.  (See Climate Letter #680 for a story about what that could mean.}

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An organization devoted to waste-free living.  This looks like a serious group that has big ideas, not unrealistic.  It should have broad appeal, especially in the developed countries.  With a bit of encouragement we can reduce energy demand and still live quite comfortably.  The post has a link to the main website.
Carl

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