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   sci.environment      Discussions about the environment and ec      198,385 messages   

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   Message 197,698 of 198,385   
   MrPostingRobot@kymhorsell.com to All   
   droughts worst in 2000 y   
   16 Mar 21 11:30:40   
   
   *Recent European drought extremes beyond Common Era background variability   
   Nature Geoscience   
   The sequence of European summer droughts since 2015 is "unprecedented   
   in the past 2,110 years", a new study suggests. Analysing carbon and   
   oxygen isotopes from tree-rings taken from "21 living and 126 relict   
   oaks", the researchers reconstruct central European summer   
   hydroclimate from 75BC to AD2018. The findings show that the recent   
   series of droughts "is probably caused by anthropogenic warming and   
   associated changes in the position of the summer jet stream".   
      
      
   *Climate crisis: recent European droughts 'worst in 2,000 years'   
   Damian Carrington, The Guardian via Carbon Brief   
      
   The series of exceptionally dry and hot European summers since 2014   
   was "the most extreme for more than 2,000 years", the Guardian   
   reports. This is according to new research in Nature Geoscience, which   
   "analysed tree rings dating as far back as the Roman empire to create   
   the longest such record to date", the outlet adds. It notes the   
   droughts were caused by changes in the position of the jet stream and   
   of air circulation patterns over Europe - "probably" driven by climate   
   change. The study found "gradual drying of the summer climate in   
   central Europe over the last 2 millennia, before the recent surge",   
   according to the outlet. MailOnline adds that carbon and oxygen   
   isotopes in the European oak trees were used to reconstruct the summer   
   climate over the past 2,110 years.   
      
   In other research news, the Washington Post covers new research which   
   indicates that "the biggest reservoir of ice in the Northern   
   Hemisphere can collapse due to relatively small increases in   
   temperature over a long period of time". It adds that the finding is   
   based on a soil sample containing plant remnants that was taken from   
   the bottom of an ice core drilled during a "failed Cold War effort to   
   hide nuclear missiles beneath Greenland's ice". Inside Climate News   
   also covers the story, reporting that the plant remains show that   
   "most of Greenland's ice sheet melted about 1 mn years ago, in a   
   climate like today's".   
      
   Meanwhile, a separate piece in the Guardian covers a report from the   
   International Renewable Energy Agency, which finds that renewable   
   electricity production "needs to grow 8 times faster than the   
   current rate to help limit global heating". The outlet reports that a   
   total investment ?131tn into renewables will be required by 2050,   
   adding that fossil fuels use will need to be limited to 10% of all   
   energy consumed by then. A piece in MailOnline reports that Feb   
   2021 was the coldest Feb in 7 years, due to the La Nina event   
   seen this year. And Sky News covers new research which finds that "the   
   melting of the world's mountain glaciers could be releasing damaging   
   carbon emissions into the atmosphere and accelerating climate change".   
      
      
   --   
   Upcoming events:   
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   Dutch police break up 1000s of anti-lockdown protesters   
   The Hill, 14 Mar 2021 21:34Z   
   Police in the Netherlands dispersed 1000s of anti-lockdown protesters   
   outside the Hague on Sun, one day before national elections begin in the   
   country.   
   [Recent daily cases NL (7d smoothed):   
   428 4584.57		3 Mar 2021   
   429 4674   
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   439 5175.57		14 Mar   
   ].   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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