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A28    SCIENCE
                    Friday 26 OctOber 2018
            Report: Efforts to suck carbon from air must be ramped up




            WASHINGTON  (AP)  —  The                                                                                            ide.
            nation  needs  to  ramp  up                                                                                         —  Burning  more  biofuel  —
            efforts  to  suck  heat-trap-                                                                                       like  wood  —  and  captur-
            ping  gases  out  of  the  air                                                                                      ing the carbon dioxide af-
            to fight climate change, a                                                                                          ter  combustion  and  either
            new U.S. report said.                                                                                               burying  it  underground  or
            The report Wednesday from                                                                                           making  it  into  solids  that
            the  National  Academy  of                                                                                          can be spread on dirt.
            Sciences  says  technology                                                                                          "These  technologies  will
            to  do  so  has  gotten  bet-                                                                                       clearly help since we have
            ter, and climate change is                                                                                          screwed  up  a  lot,"  said
            worsening. By mid-century,                                                                                          Nobel   Prize-winning   at-
            the  world  needs  to  be  re-                                                                                      mospheric  chemist  Mario
            moving  about  10  billion                                                                                          Molina  of  the  University  of
            metric  tons  of  carbon  di-                                                                                       California  San  Diego,  who
            oxide  out  of  the  air  each                                                                                      wasn't  part  of  the  report's
            year.  That's  the  equivalent                                                                                      panel.
            of  about  twice  the  yearly                                                                                       The good news is that tech-
            emissions of the U.S.        This illustration provided by Carbon Engineering in October 2018 shows one of the designs of the   nology in this field has ad-
            Last  year  the  world  put   company's air contactor assemblies to remove carbon dioxide from the atmosphere.      vanced  more  in  the  past
            nearly 37 billion metric tons                                                                      Associated Press   nine months than it had in
            of carbon dioxide into the                                                                                          the  previous  decade,  said
            air,  and  emissions  have  The  report  comes  on  the  heat-trapping  gasses  like  they  can  store  more  car-  study  co-author  Christo-
            been rising.                 heels  of  a  United  Nations  carbon  dioxide  from  the  bon  dioxide  and  produce  pher Jones, an engineering
            Steve  Pacala,  Princeton  science  report  that  paint-  atmosphere  that  are  gen-  more food.                   professor of Georgia Tech.
            University   biologist   and  ed  a  bleak  picture  of  the  erated  from  human  activi-  —  Conserve  and  restore  Pacala  said  the  natural
            chair  of  the  panel,  said  in  world's ability to avoid dan-  ties  like  burning  coal  and  coastal  plants,  like  marsh-  methods  like  tree  plant-
            an  interview  that  having  gerous  warming.  Wednes-    natural  gas  for  electricity,  lands and sea grass beds.  ing  is  pretty  cheap  and
            ways to remove heat-trap-    day's study "is sort of more  or  burning  gasoline  and  — A relatively new technol-  available now. But he said
            ping gases from the atmo-    optimistic; it gives some op-  diesel  for  transportation.  ogy  called  direct  air  cap-  they can only do so much
            sphere would make the job  erational advice," said Kate  The  technologies  outlined  ture.  Pilot  projects  have  because  "there's  a  limit  to
            of tackling climate change  Gordon, a research scholar  include the simple and the  started  using  giant  fans  available land."
            "much easier."               at the Columbia Center for  futuristic:                   that pull in air, use a chemi-  Jason  Furtado,  a  meteo-
            "It  causes  one  to  think  dif-  Global  Energy  policy  who  —  Plant  more  trees  and  cal  reaction  to  suck  car-  rology  professor  at  the
            ferently  about  the  climate  was not part of the report's  manage forests better, and  bon out, and then inject it  University   of   Oklahoma
            problem when you have a  panel.                           limit  the  amount  of  land  underground.                who  wasn't  part  of  the  re-
            backstop,"  he  said.    "And  The 370-page report called  used by people. Plants take  —  A  still-to-be-worked  out  port,  called  the  bioenergy
            the  ultimate  temperature  for  the  nation  to  invest  in  carbon dioxide from the air  technology  that  relies  on  method  the  most  promis-
            we have to suffer through is  technologies  and  meth-    and use it to grow.          certain  types  of  rock  that  ing, but not necessarily the
            going to be lower."          ods that would remove the  —  Conserve  soils  better  so  can  absorb  carbon  diox-  easiest.q


                                                                      Russian rocket puts satellite


                                                                      into orbit, 1st since failure




                                                                      By VLADIMIR ISACHENKOV       cosmos had suspended all  crew  —  NASA's  Serena
                                                                      MOSCOW (AP) — A Russian  Soyuz  launches  until  Thurs-   Aunon-Chancellor,     Rus-
                                                                      Soyuz rocket put a military  day, pending a probe.        sian Sergei Prokopyev and
                                                                      satellite in orbit on Thursday,  The  official  panel  is  yet  to  German  Alexander  Gerst
                                                                      its  first  successful  launch  produce  its  formal  verdict,  —  was  scheduled  to  re-
                                                                      since a similar rocket failed  but  investigators  have  re-  turn  to  Earth  in  December
                                                                      earlier this month to deliver  portedly  linked  the  failure  after  a  six-month  mission.
                                                                      a crew to the International  to  an  element  jettisoning  A Soyuz capsule attached
            In this photo taken on Thursday, Oct. 25, 2018 and distributed   Space Station.        one  of  the  rocket's  four  to  the  station  that  they
            by Roscosmos Space Agency Press Service, a Russian Soyuz-2   The  Russian  military  said  side boosters from the main  use  to  ride  back  to  Earth
            booster  rocket  takes  off  from  the  Plesetsk  launch  facility  in
            northwestern Russia.                                      a  Soyuz-2  booster  rocket  stage that apparently had  is designed for 200 days in
                                                     Associated Press   lifted  off  from  the  Plesetsk  been  damaged  during  fi-  space,  meaning  that  their
                                                                      launch facility in northwest-  nal assembly at the Russia-  stay in orbit could only be
                                                                      ern Russia.                  leased  Baikonur  cosmo-     extended briefly.
                                                                      A  Soyuz-FG  rocket  carry-  drome in Kazakhstan.         Flight controllers could op-
                                                                      ing  NASA  astronaut  Nick  Russian space officials plan  erate  the  station  without
                                                                      Hague  and  Roscosmos'  to  conduct  two  other  un-      anyone  on  board  in  case
                                                                      Alexei   Ovchinin    failed  manned  Soyuz  launches  the  Russian  investigation
                                                                      two  minutes  into  the  flight  before  launching  a  crew  drags  into  next  year,  but
                                                                      on  Oct.  11,  sending  their  to  the  space  station.  No  NASA  Administrator  Jim
                                                                      emergency capsule into a  date  for  the  crew  launch  Bridenstine  has  said  earlier
                                                                      sharp fall back to Earth. The  has been set yet, but it's ex-  this month that he expects
                                                                      crew landed safely, but the  pected in early December.    Roscosmos  to  launch  the
                                                                      Russian space agency Ros-    The  current  space  station  next crew in December.q
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