Climate Letter #1045

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Ten things one “must know” about climate change—from a statement prepared by a high level group of scientists for the conferees in Bonn.  This is generally comparable to the one issued by Ramanathan’s group as reported in the Climate Letter last Thursday, though not as comprehensive.  The supporting material provided for each of the points is loaded with information taken from a wide range of recent scientific studies.
–I especially recommend that you study the sea level estimates chart that belongs to point #4, which describes the situation that existed 3 million years ago when the CO2 level in the atmosphere was about the same as what we have today.  Here is a separate link:
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An update and reminder about Canada’s tar sands in Alberta.  This is the world’s number one example of the extreme environmental destruction that humans have been willing to accept in order to satisfy our lust for cheap energy.  The same kind of thing occurs everywhere, but just on a somewhat smaller scale.
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Climate science:  A new study discusses the movement of carbon from deep within the Earth to the atmosphere.  This occurs when volcanoes erupt but in an even more substantial way, by other forms of degassing, when continents are breaking up on a very large scale.  That helps to explain the very high CO2 levels that existed at times in the deep past.  Rifting on land has a greater impact than rifting on the ocean floor.
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Elizabeth Kolbert writes for the New Yorker about prospects for direct removal of carbon dioxide from the air, aka negative emissions.  She does not seem to find any viable answers by communicating with geoengineering enthusiasts, all of whom are motivated by recognizing the great need.  Perhaps she should now spend some time researching the work of soil carbon specialists who have similar goals in mind but get much less attention.
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A new IEA report does not foresee much decline in global oil demand through 2040 as a result of the expected boom in electric cars.  It also sees continuing strong demand for natural gas, but not coal.  US oil and gas producers are expected to be major beneficiaries, further favored by firm pricing.  (If correct this obviously does not bode well for meeting emission reduction targets unless policy actions occur which are beyond the ability of this agency to predict.)
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A new report from Credit Suisse provides data about the world’s wealthiest people.  There are some added comments from Oxfam.
Carl

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