Climate Letter #751

An update on the likelihood of limiting the global temperature increase to 1.5C.  This is based on views expressed by participating scientists at a conference being held this week in Oxford.  The findings can be taken as a preview of what to expect from a more formal type of report to be presented to the UN in 2018.  The lack of confidence in geoengineering solutions is clearly evident, leaving no “easy” alternative to making radical reductions in greenhouse gas emissions.

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Existing coal, oil and gas operations are big enough to blow the carbon budget.  This study only measures reserves that are in production or nearly so, not including those larger numbers that are proven but still undeveloped.  Once properties have been approved for construction and operation it is very difficult for governments to shut them down.  There is already a need to think about appropriate shutdown strategies if the new temperature goals are to be met.
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A very bold grand plan for a multinational Asian super-grid tied to renewable sources of energy.  It makes sense and has a lot of backers but there are difficult obstacles to overcome.
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New estimates of how much ice is being lost by melting from Greenland.  The key discovery is that much of the rocky part of Greenland has been uplifting more rapidly than previously thought, which changes the way measurements from gravity signals are interpreted.  The difference becomes a 7.6% increase in the estimated current rate of ice loss, all fully explained in the post.
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Report from a recent visit to a favorite location on Australia’s Great Barrier Reef.  Noted author and conservationist Tim Flannery was one of the visitors.  On this particular reef about 30% of the coral was found dead because of the warming event last May.
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Exxon is now in trouble with the SEC.  The SEC has strict rules requiring the reporting of known risks to public shareholders, and there is evidence that Exxon has failed to do so.  It is significant because it could help to publicize the fact that Exxon has always understood the real dangers of climate change, which some politicians backed by fossil fuel industry funding keep trying to deny.
Carl

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