Climate Letter #1140

A report says the Sahara Desert has expanded about 10% since 1920.  Climate change and natural climate cycles both contributed to the cause, which was most extensive in summer months.  The area of increase, including Lake Chad and its surroundings, was wider along the southern border than the north.  “Our results are specific to the Sahara, but they likely have implications for the world’s other deserts….”
https://phys.org/news/2018-03-sahara-expandingworld-largest-grew-percent.html

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Climatologists predict a future that holds both earlier springs and more intense winter storms.  When the two tendencies overlap the result can be chaotic weather, as recently occurred in the northeastern part of the US.  The condition is being linked to the extreme type of warm spells now increasingly generated in the Arctic.
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Why burning wood pellets as a source of energy is a bad idea (Anthropocene magazine).  This article provides a short summary of the arguments made in a new scientific study.  For example, “Wood contains less energy than coal, and wood burning thus generates higher CO2 emissions per kilowatt of electricity…..Unless forests are guaranteed to regrow to carbon parity, production of wood pellets for fuel is likely to result in more CO2 in the atmosphere and fewer species than there are today.”
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A report card on bank financing of the fossil fuel industry.  It reveals that “36 of the world’s biggest banks funneled $115 billion into fossil fuels in 2017, an 11% increase over 2016 levels.”  The tar sands sector showed the largest growth, up 111% in 2017.  European banks have restricted these types of loans while US and Canadian banks have moved ahead more than enough to make up the difference.  What message have they, or the industry being financed,, been listening to?
–Worldwide capital expenditures for oil production, 2010-2021, show no evidence of a downturn in the immediate future:
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The UN Security Council has formally recognized climate change as a destabilizing factor capable of driving conflict in Somalia.  This historic resolution, the first of its kind, was approved by all seven members, two of whom, not named, were at first reluctant.  “The prospects for sustaining peace in Somalia could be significantly strengthened as a result, which bodes well for its people, the region and future UN activities elsewhere seeking to sustain peace and achieve prosperity.”
Carl

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