Climate Letter #497

A grand-scale global carbon trading scheme that is a beautiful idea with considerable merit, and actually quite practical.  You might have to read this two or three times before you get a clear picture of how it would work, and then you’ll still have  a few unanswered questions about money flow.  It’s worth the effort as a mentally stimulating exercise, but I can’t believe it will ever actually happen.

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New EPA rule on ozone emissions will soon be published.  As usual this will be controversial, with opposition from a number of industries.  While the main benefits are related to health issues there is also a potential for reductions in the level of greenhouse gases.
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Huge layoffs at a Chinese coal mining company.  Other companies are having the same experience, due mainly to that nation’s economic troubles.  This backs up previous stories about declining coal demand in China and the prospect of a pronounced effect on emissions.
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Climate science.  The key to major changes in carbon uptake in the Southern Ocean has been discovered.  “This finding is a major advance in understanding the natural carbon cycle….”  The finding is mainly ice-age related and does not have much effect on the magnitude of changes in atmospheric CO2 we are seeing today.
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Thin-film solar cells get another efficiency boost.  These cells are much cheaper to produce than silicon, and appear to be steadily catching up on efficiency.
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Is cold fusion ready to make a comeback?  Here is a replay of a 60-Minutes program segment that brings this old story up to date, with some encouraging new developments.  At the very least, a number of large institutions and bright people are hopeful enough to put a great deal of time and money into experimental effort.
Carl

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