Climate Letter #511

Posted on October 19, 2015 by Carl Campbell
The declining population of Antarctic krill, a story from the New York Times.  These tiny fish are considered to be the cornerstone of the Antarctic ecosystem, that many larger species depend on for nutrition.  They have a complicated life cycle that makes them especially vulnerable to both warmer waters and acidification, the two main effects of excessive CO2 emissions, in addition to overfishing.

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Latinos in the US are very serious about protecting the environment, including climate action.  A recent poll shows it is becoming more and more an election issue, partly due to heeding impacts being felt where many of them live.  The papal visit could also have had an effect.
Here is the link to the full poll results, which cover a variety of other topics:
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The continuing conflict over the future development of India.  Scientific American offers a fine closeup view, suggesting that the coal companies and rapid growth enthusiasts have the advantage.
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The rapid expansion of oil and gas fracking activity in the US in many ways parallels the above story of coal development in India.  Besides the adverse environmental effects there is proof of considerable harm to public health, especially for the 15 million persons living within one mile of the sites.
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A novel technology that should improve the efficiency of flow batteries.  In concept, flow batteries are almost unbeatable as a means of storing electricity on a large scale, such as to fit the requirements of electric utilities that have variable energy sources.  This new idea brings them much closer to realization.
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The main problem for cheap perovskite solar cells is also being overcome.  The problem has been instability due to moisture penetration.  An effective sealant has finally been found, which should speed up the prospect of commercialization.
Carl

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