Climate Letter #365

Posted on March 25, 2015 by Carl Campbell
The declining path of EV battery prices. This study produces considerable data back to 2007. The cost then was about $1000 per kWh, now down to $300 for the leaders. There is a belief that EV cars will be directly competitive with petrol-driven if the battery cost can drop to $150 per kWh, which seems possible within a decade.

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Climate science. This post will appeal to anyone interested in the physics associated with greenhouse gases. Scientists have been doing things to improve on the accuracy of their knowledge of this rather complicated subject. They have done much to confirm the basic understanding of how and where heat is trapped, and how much the surface is warmed as a result. The more you can learn about this the more confident you will be when thinking or talking about what kind of future we are facing, so give it some of your time and attention. The commentaries that follow the main story, often from true scientists, are worthy of a look as well.
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Further interpretation of the AMOC slowdown effects. This is mostly about how the slowdown might affect weather conditions in the UK and the rest of Europe. The interview with Michael Mann is related to but not the same as the one on view yesterday, making some new points.
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Revelations about giant Antarctic icebergs. These natural phenomena are appearing more often as the movement of continental glaciers speeds up. As the bergs break up and melt they produce a large volume of fresh cold water that resists sinking because of its low salinity, now leaving signs of abundance throughout the seas surrounding the continent.

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More progress in solar cell innovation, from MIT. This new design is said to have the potential to capture 35% of the sun’s energy, well above today’s commercial standard of about 24%. Further development work remains to be done before it can go to market.
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Does solar electrical energy have a future? Here is what an independent German think tank has to say, not unlike conclusions recently reached by others who have made a similar study.
Carl

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