Climate Letter #604

Addressing the cost of sea level rise.  It can be calculated in terms of comparing the cost of doing nothing with making preparations, which are variable.  Most places that have the means are now planning to adapt, based on highly detailed studies. The same studies are showing that the cost of adapting will rise much faster than sea level itself, which is expected not only to continue far into the future but may quite possibly accelerate.

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A separate study of coastal defense mechanisms found huge disparities in the magnitude of effort being made by major cities around the world.  Some cities, mainly those in lesser-developed countries, are being left behind.  “…the huge scale of the disparity suggests protecting infrastructure not vulnerable populations is the biggest priority for adaptation spending,…”
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How Bill Gates visualizes miraculous new technologies to combat climate change.  Here he is directly quoted in an extensive interview with Scientific American.  It’s interesting but also troubling in the sense that he shies away from supporting the more ordinary technologies that are actually effective right now and still showing improvement.  Oil companies love the Gates approach because it tends to justify further delay in doing things that actually work but lack the high-tech glamour that Gates and the like are so fond of.
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The Royal Society for the Protection of Birds has constructed its own commercial wind turbine.  It was determined that damage to birds would be minor because of the carefully chosen location, while the benefits of reduced emissions weigh favorably.  That includes the benefits to all wildlife that can be protected from the effects of climate change by way of widespread switching to renewable energy.  This particular action may best serve as an answer to critics of windpower technology.
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Is there a better way to generate electricity?  It is theoretically possible, using a process called thermionics, but development has been languishing for decades.  Now a group of researchers working at Berkeley Labs have found a way to move forward and are excited about the prospects.  The technology directly converts heat into electricity in compact modules of almost any size, with exceptionally high efficiency.
Carl

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