Climate Letter #1404

Global temperature update for the month of March.  It was the third warmest March in 140 years of record keeping.  Note that, seasonally, the monthly anomalies over the 1950-1981 base period are greater in winter than in summer, mostly due to bigger shifts that occur in the Arctic in winter, and the fact that the maximum warming associated with El Nino events also occurs during those same months.  Also note how this year’s March anomaly had an unusually big bounce over February compared with recent years.  Will April come back down in a normal way?

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Sea ice in the Bering Sea has suffered drastic reduction (Huffpost).  The Bering Sea, framed by the Aleutian Islands on the south, is technically not part of the Arctic, but is experiencing closely related changes, which have lately accelerated.
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An update on the toll taken by Cyclone Idai, which struck three nations on Africa’s east coast one month ago (Reuters).  The death toll exceeds 1000 and damage more than $2 billion.  Hundreds of thousands or people still require aid.
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An article published by Science journal points to modest interventions that can leverage the gains of climate action.  Three of the authors, writing for The Conversation, discuss some of the key recommendations made by the article, which does not have open access.  “The window to avert catastrophic climate change is closing fast, but with intelligent interventions at sensitive points in the system, we believe success is still possible…..with a smart, strategic approach to unleashing feedback mechanisms and exploiting critical windows of opportunity in systems that are ripe for change, we may just be able to tip the planet onto a post-carbon trajectory.”
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Giles Parkinson reviews the new study about how to completely transform the global energy system (Renew Economy).  (Another review of this important study can be found in the previous Climate Letter.)  Giles, himself an expert in this type of thinking, makes some observations that highlight the thorough nature of the study, and the care that was taken to make it a credible model of what a master plan should do in the way of setting coordinated policies.  The technology is ready if the political will can be gathered.
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So—how can the necessary level of political will actually be generated?  George Monbiot, a columnist for The Guardian, has a set of ideas that go well beyond the ordinary.  “No one is coming to save us. Mass civil disobedience is essential to force a political response….. Had we put as much effort into preventing environmental catastrophe as we’ve spent on making excuses for inaction, we would have solved it by now.”  Strong language, but he may be right.
Carl

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