Climate Letter #530

A second major Greenland glacier is now rapidly retreating.  This one, known as Zachariae, lies on the upper northeast coast, or on the opposite side of the island from Jakobshavn.  It has a large nearby neighbor, Nioghalvfjerdsfjorden, which could quickly follow.  The two of them, if fully drained, would add over three feet to global sea level, which is similar to the amount controlled by Jakobshavn.  Once they are unblocked and able to move rapidly these things are not easy to stop.

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Further analysis of this important development, along with future prospects for Greenland as a whole, is provided by Robert Fanney in the following post:
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High global dependence on mountainous snowpacks for fresh water supply.  Reduced snowfall is an important feature of global warming, likely to result in water shortages over time for up to two billion people.  This study provides many of the details, including a map of the most vulnerable areas.
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A review of the full US fire season for 2015, by far the worst since records began in 1960.
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Why is the price of oil falling, and what does it mean?  This post is full of fascinating information, especially with respect to how excess inventories are being stored.  This is unlikely to change soon unless a serious conflict were to intervene and disrupt supplies.  With financial pain getting heavy, and talk about the need to control CO2 emissions intensifying, it is easy to predict a drastic reduction in oil exploration programs this coming year, with attendant job losses and more.  Plus, everyone, including bankers, is starting to think hard about that large chunk of established oil reserves, still in the ground, that may never be produced, which is now closer than ever to being treated as realistic.
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Another way to increase perovskite solar cell efficiency is identified.  About a third of the sun’s energy is lost to heat when it strikes a cell.  Researchers are zeroing in on a way to overcome that loss for a huge increase in efficiency.
Carl

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