Climate Letter #557

Update on the status of glacial science, with emphasis on Antarctica.  This 5-minute video produced by Peter Sinclair is surely among the very best he has ever done.  The graphics are superb and the brand new interviews with top glacial scientists get right to the point.  Antarctica has over twenty feet of potential sea level rise from the two most active melting regions.

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Tree mortality in a warmer and drier climate.  A new study, focused on the American Southwest, finds many reasons to expect massive die-offs of several important species if current trends continue.
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An assessment of the global loss of arable land.  This is a problem that goes hand-in-hand with climate change.  Soil that is weakened by the loss of carbon to the atmosphere becomes vulnerable to deep erosion during extreme weather events.  Part of the solution involves replacement of the lost carbon, which can be done successfully but needs a high level of directed effort.
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2015 El Nino compared to 1997 day-to-day, by video.  The pictured data offers a clear demonstration that the two are very close in terms of strength, in preparation for peaks to be realized in the following spring.  One important takeaway is that 1998 was the record-smashing warm year, not 1997, strongly suggesting that 2016 will bring with it a similar leap—along with all kinds of extreme weather events.  It will be fun to see how the GOP candidates (and their convention) handle the news as the year unfolds.
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Perovskite solar cell research report.  This story, published in mid-November, fills in some important details about a point referred to in a story found in Climate Letter #554.  It explains why the maximum potential efficiency for this type of cell could now be considered to have risen from 33% to 66%.  The technology, while still under the radar, has become a prime candidate for “energy of the future.”
Another story about the usefulness of perovskite technology.  This is interesting in part because it comes from MIT, an institution that would not be wasting its time with perovskites if it did not perceive real potential.
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What Costa Rica (and Uruguay too) have been doing about energy.  They don’t seem to be concerned about whether the rest of the world is matching their effort.  This is a great example of pure leadership.
Carl

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