Climate Letter #603

Weekly CO2 report.  Up 3.33 ppm from a year ago, which again is very high, but can largely be explained by unusual seasonal factors.  The whole month of February will be up by a possibly larger amount, for the same reason.  March should see the spread come down, to well below 3.  If not, we’ll have something to worry about.

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Meanwhile, on the temperature front, nothing improved over the weekend.  Satellite data is still giving us a global anomaly of just over 1C versus a 1979-2000 baseline. (That’s about 1.5C to pre-industrial.)  This is more than 0.5C over where it was a week ago, and has been for a long time.  The Arctic region alone was up 5.81C, but it has been that way for awhile, and does not explain the sudden extraordinary global jump.  This is the kind of above-trend “noise” that will make us nervous until it gets reversed.
Methane spike readings are also on the extreme high side.  (Look closely to see the underlying map outline.)  These are showing up mainly across the far north, as opposed to industrial areas, suggesting surface melt disturbances due to the current general warming trend in that area.
For a more lengthy discussion of this disturbing phenomenon, here is what Robert Fanney has to say:
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China’s war on coal continues.  2016 is slated to be the third straight year of decline, with all major divisions of coal demand being affected. There is no reason to doubt that a major shift of policy at the top is in effect and will continue, which is very good news.
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Stefan Rahmstorf analyzes recent studies of past and future changes in sea level.  Stefan, who is ranked among the most influential climate scientists, was an author of one of the papers, which was recently reported on here.  His analysis includes a number of important insights on how confidence in the various assessments and projections is established.  One statement about the future caught my eye—“Even if we limit global warming to 2°C, the likely end result will be a sea-level rise of around 25 meters.”  At least it will take a thousand years or more to complete, so folks can adjust.
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An energy storage breakthrough that may have legs.  The battery that results, having a polymer cathode, should gain significant advantages over those we are using now, including cost, density, durability, charging time and more.  The research has been performed at the U of Cal, Santa Barbara, advised by a Nobel Prize winner with a truly illustrious resume.  Potential applications include vehicles, the power grid and much more.
Carl

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