Climate Letter #1274

There are countless stories today about the new IPCC report, which is itself a massive piece of information.  No one can read them all, but have picked out a few that reflect the content from a variety of perspectives.

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For a compact but thorough evaluation of the full scope of the report, this is surely one of the best:
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This one does the same job well with more of a snappy, power-point approach:
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For a very quick introduction this from Thomson Reuters covers the key points:
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The Guardian has a story about some things that are missing from the report, and why:
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Finally, a quickie from Axios contains several comments suggesting that the whole theme of the report is a departure from reality, with actual emissions expected to keep growing through 2030:
–A separate report bearing depressing news out of China backs up that last view:
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A new study covers the various methods used to predict sea level rise.  The result confers validity to estimates as high as 8 feet by 2100 and 50 feet by 2300.  In the near term the most likely range is 6 to 10 inches by 2050, with almost no chance of exceeding 18 inches, but from then on things get dicey.
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A report from a group of 40 scientists emphasizes the critical role that forests play in controlling the climate, beyond the issues that surround fossil fuels.  “It noted that the world’s forests contain more carbon than exploitable oil, gas and coal deposits.…..Forests produce water vapour, boost rainfall and cool down local temperatures by as much as 3 degrees Celsius.”
–The report itself is short and well worth reading for a clear statement of fundamental facts:
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New research quantifies the immediate release of CO2 from forest fires during drought in the Amazon region.  The result is found to be three to four times greater than previous estimates, largely attributed to the vast amount of understorey being consumed. That type of loss takes a very long time to recover, longer than trees themselves do.
Carl

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