Climate history: New details related to the “snowball earth” theory. These raise the possibility that truly super-cold conditions existed at the equator, similar to interior Antarctica today. No subject in Earth’s ancient climate history has more fascination than this one, the main outline of which is now widely accepted. (Don’t worry about it returning.)
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Climate change may become a real issue in the 2016 elections. So far there is only a hint, and that comes from Hillary’s campaign manager. It seems like a rational way to attract independent voters, and would force the Republicans to tone down their opposition if they see even small effects taking hold.
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A history of human-caused CO2 emissions, 1850-2010. A nice, clear exposition, with numerous graphics. One of the main stories is that there was a point of sharp acceleration after the year 1950, continuing to this day. There are also charts of two dozen other things that have erupted over much the same recent period as a result of human doings. One should realize intuitively that this cannot all continue indefinitely.
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Some hard data on the pollution cost of burning coal. “The new study found that long-term improvements in air quality were strongly associated with better respiratory function amongst children during their critical growth years.” This took place over 20 years in California. A similar future test in China could be even more interesting. The post has more to say, mostly familiar, about the social costs of burning coal.
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How electric cars are doing, with projections tied to battery costs. The most interesting item in this post appears at the end, showing the fantastic jump in sales in China for the past year.
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New developments in renewable energy. This post covers happenings of considerable interest in several different areas. I was especially impressed by the experiments aimed at enlargement of wind turbines.
Carl