Climate Letter #1158

How climate change affects global food production, by Paul Ehrlich and John Harte.  This post begins with a general picture of the problems faced by a rapidly rising population confronted with limited and deteriorating agricultural facilities.  It then goes on to list six  important ways that climate change is having a further impact on the situation which makes it much worse.  “What would make us more optimistic that massive starvation can be avoided? First and foremost would be bringing the issues of climate change and the many dimensions of the food security situation, especially the inequity of food distribution and food wastage to the top of the policy agenda everywhere.”  Quite right, but that has not yet happened, and the signs are few indeed.
http://www.ehn.org/what-are-the-threats-to-future-food-security-2562981347.html

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How the clothing industry contributes to climate change and pollution from the waste materials.  This article has amazing information that leaves one wondering if it can all be true.  Does this one industry actually contribute 8.1% to global greenhouse gas emissions?  Or this, “The average American purchases a staggering 65 new garments a year, contributing to the 150 billion new pieces of clothing manufactured globally every year. Worse, Americans aren’t keeping their coal-made clothes: They’re throwing away 80 pounds of clothing per person per year, a 100% increase from 20 years ago.”  All three of those links are to sources that seem plausible.  This is one of the problems of massive over consumption that needs a good bit more attention!
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The uneven nature of sea level rise.  This story from Yale e360 has details about particular locations, principally many cities along the US East Coast, where the rise is happening much faster than the global average.  The slowdown of the Culf Stream current is described as a principal cause, one that is expected to continue.  There are other examples from around the world, some of which are locally favorable.
https://e360.yale.edu/features/flooding-hot-spots-why-seas-are-rising-faster-on-the-u.s.-east-coast
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A new study focuses on the extreme volatility of California’s climate.  The paper found that the region’s “already variable year-to-year climate is likely to become even more volatile.”  When Earth’s atmosphere is warming patterns of precipitation tend to move into a new phase, including more extremes.  California has periods of “whiplash” extremes that are of types both lengthy and seasonal.
https://www.newsdeeply.com/water/articles/2018/04/23/report-climate-change-is-driving-precipitation-whiplash-in-california
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Lockheed Martin is planning to introduce a new kind of flow battery for the utility industry.  This is a proprietary development that is said to have many large advantages over lithium ion batteries now being sold by Tesla and others for the same purpose.  Lockheed has years of experience developing battery technologies for the space program, which suggests that this announcement should be taken seriously.  The market should respond very favorably, giving a big boost to the practicality of using renewable energy sources for electric power in smaller or decentralized locations.
https://www.reuters.com/article/us-lockheed-battery/lockheed-says-flow-battery-will-boost-use-of-renewable-power-idUSKBN1HU2SM
Carl

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