Climate Letter #1462

Drought conditions persist in Somalia, creating potential for full-scale famine this year (The Guardian).  More than two million people face the threat of losing their livelihood as native food sources disappear.

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The rate of deforestation in the Amazon is heading toward system collapse (The Intercept).  One-fifth of the forest has already been denuded.  “Scientists warn that losing another fifth of Brazil’s rainforest will trigger the feedback loop known as dieback, in which the forest begins to dry out and burn in a cascading system collapse, beyond the reach of any subsequent human intervention or regret.”  This becomes a global problem as the entire carbon cycle is upset.  The story primarily offers an in-depth review of the many consequences for local populations.
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The government of Ecuador will allow oil exploration within a unique ecosystem (Mongabay).  “Despite Ecuador’s economic dependence on oil, conservationists insist that alternatives are possible and they involve changing the current economic system.”  Compared with the situation in Brazil, the outlook for Ecuador is not so hopeless, but the underlying pattern of deceit and corruption is similar, along with the potential consequences for indigenous parties.
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A new heat pump design makes then 25% more efficient (Science Daily).  Artificial intelligence was instrumental in the implementation of the design, which has reached a state of maturity suitable for immediate commercial application.  Currently, heat pump usage is often discouraged because the economic benefit is no better than marginal.  This change could make a considerable difference, helping to reduce the carbon emissions from burning natural gas.
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Europe has enough locations suitable for onshore wind turbines, if installed, to provide ten times the current electrical consumption of the continent (Carbon Brief).  This was determined through a rigorous study.  Moreover, the costs involved keep being lowered, thanks to advances in technology, as productivity per turbine keeps moving higher.
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All-time record high temperatures around Anchorage, Alaska (BBC News).  Last Thursday’s high of 90 beat the previous record by a full five degrees.  The state-wide record was set in Fort Yukon in 1915 when the temperature reached 100F.  Anchorage is much farther south, but is normally cooled by incoming breezes from the nearby North Pacific Ocean.  Lately that part of the ocean has itself been well above average, as revealed in the image below—which also creates concerns for marine life in that area if it endures like the “blob” did several years ago.
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Forecast Image
Carl

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