Climate Letter #1392

Posted on March 28, 2019 by Carl Campbell
Ten million Afghans face severe hardship after extreme weather (reliefweb).  It began with three years of drought, followed by extreme flooding in just the last month.  “Across many parts of the country, people lack safe water, proper sanitation and healthcare, which contribute to catastrophic levels of malnutrition.”  Regional conflicts did not cause this situation, which is all about climate change, but are a hindrance to humanitarian assistance.

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An update on what we know and don’t know about ice loss from East Antarctica (Yale e360).  The main thing we know is that a large number of glaciers have been speeding up their movement toward the sea, due to underwater erosion of the coastal ice that holds them back.  This story has good reporting of all the latest science, where there are still many uncertainties about what to expect in the future..
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Bill Gates is investing in projects tied to activity in soil.  This post is from his personal blog.  “Here’s a mind-blowing fact: there’s more carbon in soil than in the atmosphere and all plant life combined. That’s not a big deal when left to its own devices. But when soil gets disturbed—like it does when you convert a forest into cropland—all that stored carbon gets released into the atmosphere as carbon dioxide.”  He goes on to describe a number of creative solutions that look promising. https://www.gatesnotes.com/Energy/We-should-discuss-soil-as-much-as-coal?
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Can the Great Barrier Reef survive climate change?  Carbon Brief has produced a history of recent bleaching events, profusely illustrated, with a thorough discussion of causation factors and prospects for mitigation.  “The root causes of the problems of the Great Barrier Reef are pollutants running off from agricultural land, which we can deal with, and climate change – and that’s the elephant in the room which Australia is refusing to deal with.”
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The lowering of costs in the renewable energy sector continues at a stunning pace.  A report from Bloomberg New Energy Finance “shows that the benchmark levelized cost of electricity, or LCOE, for lithium-ion batteries has fallen 35% to $187 per megawatt-hour since the first half of 2018. Meanwhile, the benchmark LCOE for offshore wind has tumbled by 24%.  Onshore wind and photovoltaic solar have also gotten cheaper,….down 10% and 18% on the equivalent figures of a year ago.”  These are exciting numbers, posing a real threat to the future of all three fossil fuels on economics alone.
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A quick update on Indonesian climate policy (see yesterday’s Climate Letter).  No matter what the risks may be, boosting economic growth has absolute top priority.
Carl

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