Climate Letter #756

Oslo, the capitol city of Norway, plans to cut emissions in half in just four years.  That means all kinds of emissions, electric power, transportation, homes, businesses, you name it.  The other half has a more lenient target date of 2030.  Nothing having this level of ambition is on the table anywhere else in the world, and no one is actually confident it can be done, but the city will try its hardest, and will get cooperation from the more conservative national government.

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A new study from seven senior scientists anticipates a breaching of the 2C limit by 2050.  In order to avoid this outcome governments will need to at least double and maybe triple the pledges that were made in Paris.  One of the authors of the study, Robert Watson, was a former head of the IPCC, which makes him someone who can handle a broad spectrum of information in an unusually careful and accurate manner.
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A basic type of appraisal of what is happening in the Arctic and what it means.  The changes are happening so fast that scientists are having trouble keeping up with them, while observing climatic effects that are worldwide. Their ability to make sound predictions, both long-term and short, has been duly upset.  Antarctica, with a different set of particulars, is also mentioned and said to be changing at an unexpectedly fast pace.
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A large, previously unrecognized and rapidly growing human-based source of greenhouse gas has been revealed.  It is mainly caused by land being flooded for dam construction and the like.  Adjusting for a high methane component, it is calculated to contribute 1.3% to global CO2-equivalent emissions.  That amount is enough to influence the makeup of carbon reduction programs because this type of emission is particularly difficult to reduce by any means.
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A promising new technology for thermal storage of wind energy.  Siemens, the developer, calls it “an extremely low-cost set-up.”  A large-scale test will be operational in about fifteen months.
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Another sign of progress toward the expansion of regenerative agriculture.  Putting carbon back in the soil would be a very good thing for a number of reasons, and there is no far-out technology that needs to be proven.  (See CL #742 for more on the topic.)
Carl

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