Climate Letter #675

New information related to the losses of corals.  Warmer water temperatures provide the trigger, but a combination of other human-based activities set up the conditions that allow the damage to be maximized.  This and other signs like it show that for unexpected reasons the world has become more vulnerable to climate change than it used to be, thereby adding to the urgency of taking rapid measures of abatement.

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How reefs are being killed all over the globe.  This very frightening review based on a recent NOAA report projects nearly 100% mortality for corals if global warming reaches the 2 degree marker in this century.  About 90% could be placed “at risk” under 1.5 degrees by 2050.  Along with all the other unimaginable losses, “about 275 million people depend directly on reefs for livelihood and sustenance.”
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A reason why carbon emissions from fossil fuels did not grow in 2015.  New data from BP gives much of the credit to happenings in China, due to a sharp industrial contraction and a switch away from low-grade coal for electricity production.  Both of these factors may only be temporary, unlikely to show the same benefit for 2016 comparisons.  Note how the flat 2015 report, which the IEA has also submitted, stands in contrast with the record growth reported for atmospheric CO2 level, which was fattened in an extreme way by El Nino and other natural effects which, we hope, were also temporary.
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An eye-opening report on the progress of the electric vehicle industry, from Joe Romm.  Everything seems to be going just right for this business, which barely existed as recently as 2010.  In China, “EV sales, which tripled last year, are expected to double this year and next.”
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Interesting new technology for producing geothermal energy.  This work is going on at the University of Alberta, right in the heartland of the tar sands.  The aim is to efficiently produce electricity from water that has a lower temperature than the 100 degree C minimum that is normally acceptable from geothermal wells.  There is an abundance of such water in place, and it is generally found closer to the surface.  The technology is not yet proven to be feasible, but this is one to watch.  Geothermal energy has the huge advantage of being available at all hours, year around, besides being at the top for cleanliness.
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A history lesson from the battle for clean air.  This is another solid report from Inside Climate News, which won prizes for its earlier critical revelations about Exxon.  The petroleum industry fought just as hard to slow progress on cleaning up air pollution, going back to the 1950s, as it does today with respect to CO2 emissions and ozone rules, using many of the same deceptive tactics.
Carl

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