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A28    SCIENCE
              Tuesday 14 November 2017


















              Global carbon pollution rises after 3 straight flat years




            By SETH BORENSTEIN                                                                     Norwegian  scientist.  De-   team  of  76  scientists  who
            AP Science Writer                                                                      clines  in  the  United  States  wrote the report.
            WASHINGTON (AP) — Glob-                                                                (0.4  percent)  and  Europe  While  he  called  the  study
            al carbon pollution rose this                                                          (0.2  percent)  were  smaller  authoritative,  Pennsylvania
            year  after  three  straight                                                           than  previous  years.  India,  State University climate sci-
            years  when  levels  of  the                                                           the No. 3 carbon polluting  entist  Michael  Mann  said
            heat-trapping  gas  didn’t                                                             nation, went up 2 percent.   he sees no need to do fig-
            go  up  at  all,  scientists  re-                                                      The  2017  estimate  comes  ures  for  2017  that  are  not
            ported Monday.                                                                         to  on  average  of  2.57  mil-  complete, saying it may be
            Preliminary  figures  project                                                          lion pounds (1.16 million ki-  “jumping the gun a bit.”
            that   worldwide    carbon                                                             lograms) of carbon dioxide  Jackson  said  the  team
            dioxide  emissions  are  up                                                            spewing  into  the  air  every  —  which  produces  these
            about  2  percent  this  year,                                                         second.                      reports  every  year  in  No-
            according  to  an  interna-                                                            The  study  was  published  vember — has confidence
            tional  team  of  scientists.   In this Feb. 28, 2017 file photo, a passenger airplane flies   Monday  and  is  being  pre-  in  its  2017  report  because
            Most of the increase came    behind steam and white smoke emitted from a coal-fired    sented  in  Bonn,  Germany,  it  is  based  on  real  data
            from China.                  power plant in Beijing.                                   during  climate  talks  where  from  top  polluting  nations
            The  report  by  the  Glob-                                           Associated Press  leaders are trying to come  through the summer and in
            al  Carbon  Project  team  dramatically in the 1950s. In  noting in an email that lev-  up  with  rules  for  the  2015  some cases through Octo-
            dashed  hopes  that  emis-   the  last  three  years,  levels  els have increased fourfold  Paris deal.             ber. Plus, he said past esti-
            sions  from  the  burning  had stabilized at about 40  since  he  was  born  in  the  The goal is to limit tempera-  mates  have  been  correct
            of  coal,  oil  and  gas  had  billion tons of carbon diox-  1950s. “We race headlong  ture rise to 2 degrees Celsius  within a couple tenths of a
            peaked.                      ide (36.2 billion metric tons).  into the unknown.”       (3.6  degrees  Fahrenheit)  percentage point.
            “We  hoped  that  we  had  Estimates  for  2017  put  it  Man-made  carbon  diox-      since  preindustrial  times,  The top five carbon pollut-
            turned  the  corner...  We  at  about  40.8  billion  tons  ide is causing more than 90  but  it’s  already  warmed  ing countries are China, the
            haven’t,”  said  study  co-  (37  billion  metric  tons).  percent of global warming  half that amount.             United  States,  India,  Russia
            author  Rob  Jackson,  an  Sixty years ago , the world  since 1950, U.S. scientists re-  “It was tough enough and  and  Japan.  Europe  taken
            Earth  scientist  at  Stanford  spewed only 9.2 billion tons  ported this month.       if this paper is indicative of  as  a  whole,  would  rank
            University.  Carbon  dioxide  (8.3 billion metric tons).  This  year’s  increase  was  long-term trends, it just got  third.q
            emissions rose steadily and  “It’s a bit staggering,” said  mostly spurred by a 3.5 per-  tougher,”  said  Princeton  ___
            slowly  starting  in  the  late  co-author   Ralph   Keel-  cent  jump  in  Chinese  car-  University  climate  scientist  Follow  Seth  Borenstein  on
            1880s  with  the  Industrial  ing,  a  Scripps  Institution  of  bon  pollution,  said  study  Michael   Oppenheimer,  Twitter at @borenbears. His
            Revolution,  then  took  off  Oceanography      scientist,  co-author  Glen  Peters,  a  who  wasn’t  part  of  the  work can be found here .



               Russia named as likely source of Europe radioactivity spike




                                                                      tope  Ruthenium-106  posed  nuclear reactor because that  nation had a Russian origin is
                                                                      no  health  or  environmental  would have released other el-  unfounded,” it said.
                                                                      risks to European countries. It  ements.                  The  French  report  says  the
                                                                      said the “plausible zone of re-  Germany’s  Federal  Office  for  radioactivity  peaked  in  late
                                                                      lease” was between the Volga  Radiation Protection said last  September and early October
                                                                      River and the Ural Mountains,  week  that  elevated  levels  of  and  affected  a  “majority  of
                                                                      and suggested random checks  Ruthenium  were  reported  European countries” but is no
                                                                      on food imports from the re-  in  Germany,  Italy,  Austria,  longer detected in the atmo-
                                                                      gion as a precaution.        Switzerland and France since  sphere over Europe. However
                                                                      In a report released Thursday  Sept. 29, but posed no threat  it said if such an accident had
            This photo provided on Friday Nov. 10, 2017 by the INRS,   based on monitoring in multi-  to public health.         happened in France, authori-
            Institute for Radiological Protection and Nuclear Safety, shows   ple European countries, IRSN  After  reports  of  a  Rutheni-  ties would set up a perimeter
            a map of the detection of Ruthenium 106 in France and Europe.   said the Ruthenium appeared  um-106  leak  from  a  plant  in  around  the  accident  site  to
                                                     Associated Press  to  come  from  an  accident  the  southern  Urals  first  ap-  monitor  health,  safety  and
            By ANGELA CHARLTON, Asso-    over much of Europe, accord-  in  late  September  involving  peared,  Russia’s  state-con-  food quality.
            ciated Press                 ing  to  a  report  by  France’s  nuclear  fuel  or  the  produc-  trolled  Rosatom  corporation  Ruthenium-106  is  used  for
            PARIS (AP) — An apparent ac-  nuclear safety agency.      tion  of  radioactive  material.  said in a statement last month  radiation therapy to treat eye
            cident at a Russian facility is  The Institute for Radiological  The  French  agency  said  the  that  it  hadn’t  come  from  its  tumors,  and  sometimes  as
            suspected of causing a recent  Protection and Nuclear Safety  Ruthenium  didn’t  appear  to  facilities.            a source of energy to power
            spike in radioactivity in the air  says  the  release  of  the  iso-  come  from  an  accident  in  a  “The claim that the contami-  satellites.q
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