Climate Letter #572

December global temperature anomaly (for that month only) since 1891.  This is a preliminary report from the Japan Meteorological Agency, quite astonishing.  Note how few deeply cold anomalies there have been since 1984, relative to the rising trend line, suggesting that an upward curve-type adjustment in that line is already necessary.

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A new study about the need to maintain biodiversity.  The study was based on intensive collaborative data collection by scientists around the world.  Their conclusion—“This study shows that you cannot have sustainable, productive ecosystems without maintaining biodiversity in the landscape.”  Ecosystems are what make the planet livable.  Loss of biodiversity, aka the Sixth Extinction because it is already happening on a large scale, is often described as one of the two or three worst consequences of climate change.
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Calculating the risk of deep permafrost thawing.  Scientists are trying to figure out exactly how deep the thawing will go with reference to various possible air temperature increases in the far north.  New answers are being proposed from models that suggest a thawing rate greater than what is commonly believed likely.  The dangers are well understood.
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What the US growth in solar PV capacity looks like, with projections.  All three markets, residential, commercial/industrial and utility are covered, and all are doing well.  The combined growth rate, now a heady 18% per year, should be able to go even higher as further improvements in cost and efficiency take effect.
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The outlook for lithium-based batteries.  Information about the dynamics of battery technology, one of the keys to sustaining the growth of renewable energy for coming decades.  Lithium has a strong position and is getting stronger.
One more member of the lithium family is coming along, and could some day become the best of them all:
Carl

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