About the speedup in movement of Greenland’s glaciers. A remarkable new study has found ways to determine the speed and direction of glacial movements for the past 9500 years. Evidence shows high sensitivity to even brief periods of warming or cooling, such as those caused by differing amounts of sunlight received. In just the past century the movement has been twice as fast as in any previous period, and declining in spite of reduced sunlight. This can only be accounted for by changes involving greenhouse gases, serving as an important piece of support for today’s leading theories of climate change dynamics.
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An interview with Mark Jacobson. Mark is probably the world’s leading authority on the feasibility of replacing fossil fuel energy with renewables, not just in the US but in many other places. His studies show that it can be 100% accomplished by the year 2050 with existing resources and technology, along with favorable economics. Future improvements in productivity, while expected, are not factored in as a necessity.
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Interest in lowering the target to 1.5C just keeps growing. Aside from official adoption, this energized level of discussion may be one of the biggest accomplishments of the Paris conference. People are becoming more convinced about the need, and are also looking more deeply into the mechanisms for getting there. It’s like pursuing a 2C target but with much more rapid deployment. “One thing seems clear — the more the world seriously considers a target of 1.5 degrees Celsius, the more likely it also is that it will actually stay under 2.” Full story from Chris Mooney.
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Have you heard of solar flow batteries? They are being built by researchers at Ohio State, and the word is they work, and provide several kinds of savings. They should be most useful in smallish scale applications having stand-alone electricity requirements.
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Two quick observations from the Climate Reanalyzer: http://cci-reanalyzer.org/DailySummary/#
First, click on the Temperature Anomaly chart and scroll down to the bottom. The extreme heat prevailing in much of North America, much of Asia, and also much of Antarctic is most unusual, probably related to El Nino.
Next click on Sea Surface T Anomaly and scroll down. The El Nino wave on the Pacific equator remains as potent as before, as it slowly heads east. Also take note of the Antarctic coastline, which is here stretched out in a long straight line. Notice how nearly all of the adjacent seawater is below average in temperature, especially so in the Amundsen Sea area where extreme glacial melting is known to be taking place along the coast and behind the sea ice. This deep blue color is now fairly permanent, serving as a realtime marker telling us a big reason why sea level is rising.
Carl