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Photo by Craig D. Allen, courtesy
                     of U.S. Geological Survey









                       flash  point  for  conflict  between   In  response,  provincial  and  local
                       Canada and the United States.   governments  looked  for  new  ways  to  access
                           A  drought  is  not  like  other   water.  Having  once  relied  solely  on  dams,
                       natural disasters. It does not burst   several regions now began recycling sewerage
                       in to topple power lines, wash away   water  and  offering  incentives  to  homeowners
                       cars, or incinerate homes. It builds   for  installing  water  tanks.  Some  regions  even
                       slowly  and  often  imperceptibly,   constructed  desalination  plants  to  make
                       but  causes  damage  no  less   seawater  suitable  for  both  consumption  and
                       severe or widespread. Drought is   irrigation. But residents resisted these efforts. In
                       a  primary  cause  of  disease  and   Toowoomba, Australia’s second-most populous
                       death.  It  leads  to  inadequate   inland  city,  citizens  rejected  a  referendum  to
                       water  supplies,  malnutrition,  and   begin  using  recycled  sewerage  water  in  2006.
                       even famine. It creates economic   Because  no  sufficient  alternative  supply  was
                       devastation   and    cripples   available,  the  plan  was  eventually  carried  out
                       agriculture.  Most  worrisome,   anyway. In Sydney, the nation’s most populous
                       UN  FAO  reports  that  droughts   city,  public  opposition  temporarily  halted  a
                       are  increasing  in  intensity  and   desalination  project  in  2008,  but  authorities
                       duration—trends  that  are  likely   ultimately  overrode  the  opposition  as  water
                       to  continue. Thankfully,  there  are   reserves  sank  to  their  lowest  levels  in  half  a
                       some  lessons  we  can  learn  from   century.
                       what others have experienced.       Increased  rainfall  and  new  approaches  to
                                                       treating  and  using  water  eventually  relieved
                       Drought Down Under              the  country  from  drought  by  2012.  However,
                                                       significant  environmental  impacts  remained.
                           From  1995  to  2009,  the
                       entire nation of Australia suffered   Reports  in  2014  indicated  that  salinity  and
                                                       acidity  remained  abnormally  high  in  soil  and
                       through  the  lengthy “millennium   groundwater.  More  worrisome,  the  country
                       drought”;  some  areas  did  not   appeared headed toward drought yet again as
                       escape  drought  conditions  until   the year drew to an end.
                       2012 and fears began to surface in
                       late 2014 that parts of the country   Like  Australia,  California  consists  of  a
                       were  returning  to  drought  yet   lengthy  coastline  and  large  inland  deserts
                      again.                           prone to frequent droughts. In 2011, the Pacific
                                                       Institute  in  Oakland  predicted  that  California
               The  drought  was  caused  by  several
            consecutive years of insufficient rain throughout   would  follow  a  path  similar  to  Australia’s
                                                       historically lengthy struggle, even as California
            the  1990s,  and  already  recognized  as  the   was just emerging from an earlier drought. So
            worst  in  the  nation’s  history  by  2003.  Even  as   far, this prediction appears right on target.
            provincial  and  local  governments  responded
            with increasingly tight water restrictions, most
            cities  were  left  with  less  than  50  percent  of   No Rainforest, No Rain
            normal  water  capacity,  and  water  levels  in   Though  it  also  boasts  a  lengthy  coastline,
            Melbourne dams sunk as low as 27 percent of   Brazil features geography quite unlike California
            capacity  by  2009.  Decreased  access  to  water   and Australia. The majority of its inland territory
            severely affected agricultural production, which   is filled with lush rainforests that typically enjoy
            in turn led to a downturn in the economy.  abundant rainfall, which produces an estimated


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