Climate Letter #635

Posted on April 13, 2016 by Carl Campbell
Update on CO2 readings.  Check out the last three days in this post, then click on the link to Interactive Plots and scroll down to the lower chart for two-year details.  The latest readings are obviously freakish, maybe just part of the El Nino global freak show, which is ending, and with luck maybe we’ve seen the highs for the season.  Notice how May is normally a month where things level off and roll over to start the declining phase of the cycle.  Last year that was around 404, the year before, 402.  This year, anybody’s guess, probably around 407.  What really counts is where the drawdown takes us in September.  Something real close to 400 would be a relief, at least for now, because that would suggest the lack of a permanent new change getting started in the external behavior of nature itself.

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Drought is ravaging northern Somalia, not unlike that of Ethiopia.  Large numbers are now dependent on outside aid for food, sources of which have been pushed to the limit.  The passing of El Nino will help, but will there ever be a complete return to normalcy, itself marginal, in a warming world?
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A report of worsening conditions in the center of India.  The featured news in this report, which was assembled by Robert Fanney, is the onset of an intense heatwave in a region already in the grip of a two-year drought.  The beginning of the monsoon season is said to be at least two months away.
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A new sense of urgency in the struggle against ocean acidification.  Some of the most alarming effects are showing up along the North American west coast.  This article shows how there has been an awakening among policymakers who are anxiously looking for ways to deal with it.  The root cause, too much CO2 in the air, is of course beyond their reach, and they must keep on saying so.
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Greenland’s melt season is off to an early start, big time.  This should not surprise anyone in view of how temperature records have been smashed throughout the Arctic region this year.  There has even been unusual rain in some of the lower regions.  The air temperature of the two-mile high top surface, while still freezing, has lately been around 40 degrees F above normal.  The ice up there should itself be slowly warming up, making it easier to melt later on.
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A new modification for solar cells makes good sense.  Simply adding one more thin layer of graphene would allow the capture of current from raindrops as well as sunshine.  The extra production would not be great, but it could add something at night as well as on rainy days, for very little additional investment.
Carl

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