Climate Letter #685

Excessive riverbank erosion is causing the annual displacement of many thousands of families in Bangladesh.  Climate change is a contributor to the phenomenon by way of a combination of sediment buildup in the riverbed and higher flood volumes that result from the melting away of mountain glaciers far upstream.

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How the installed cost of household batteries may come down 40% in two years.  These figures come from a Morgan Stanley analyst, with reference to lithium-ion batteries installed in Australia.  Similar results ought to be obtainable elsewhere.  In the last chart you will see a projection for encouraging price declines coming as well for flow batteries, which have great promise but are still in an early stage of development.
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The projected rate of growth for renewable energy is very strong, but not nearly strong enough.  That is a conclusion of the latest Bloomberg New Energy Finance report, which says that reaching the Paris 2C goal would require an extra $9.3 trillion in financing.  The BNEF conclusion echoes what we hear from Kevin Anderson (see CL#683) except that Anderson is more prepared to focus on reducing energy demand as a way to make up the difference.
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Movement toward the development of aircraft powered by electricity, reported by Joe Romm.  While solar aircraft now get all the publicity, this is a pathway that has real potential for eventually satisfying the need for zero-emissions aviation.
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Massive climate damage compensation claims are on the agenda.  This is an interesting story about novel legal approaches that are being considered in different parts of the world.  For one, governments that don’t regulate properly may be on the hook just as much as the entities that are allowed to do the polluting.
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Price extremes of oil and natural gas can have opposite effects on the environment.  Cheap oil is harmful to the growth of clean renewables that would displace gasoline.  Cheap but clean natural gas has helped to displace dirty coal burning by utilities.  There are fears that a return to higher prices for natural gas would cause a resurgence in coal generation.  Of course the story is quite different with respect to home heating options.
Carl

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