Climate Letter #713

An update on the reduction of coal consumption in China.  A team of scholars reports that the recent decline is actually the beginning of a permanent drop.  There are three primary reasons given, a slowdown in economic growth, a slowdown in coal-intensive industries and a substantial change in government environmental policies.  The effect on global emissions growth should be noticeable if this all proves to be accurate.

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An Australian energy consultant discusses what the future holds for electric utility companies.  The ones that do not quickly adjust to the fast-paced changes heading their way will suffer at the hands of professional traders much sooner than anyone expects.  The economic systemic fallout could match the pain felt by ordinary investors, but it is still a bullish picture overall when considering the corresponding benefits for climate mitigation. http://reneweconomy.com.au/2016/energy-companies-are-dead-already-they-just-havent-realised-it-97738

Important progress made toward increasing solar cell efficiency.  The method that is reported would allow much more of the sun’s energy to be captured, using inexpensive materials and ordinary thin-film deposition.  Previous efforts along this line have encountered problems that prevented development of practical applications.  That may now have changed.
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A 540 million-year-old extinction event that has relevance today.  Conclusion:  “There is a powerful analogy between Earth’s first mass extinction and what is happening today,” he said. “The end-Ediacaran extinction shows that the evolution of new behaviors can fundamentally change the entire planet, and today we humans are the most powerful ‘ecosystems engineers’ ever known.”
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An interesting story about the last of the woolly mammoths.  The species did not completely die out until an isolated population succumbed 5600 years ago, on an Alaskan island in the Bering Sea.  Rising sea levels and climate change caused their demise, this time due only to the course of natural events.
Carl

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