  UK Met Office warns carbon emissions must peak by 2020  By
Richard Black Environment correspondent, BBC News website,
Copenhagen  An aerial view of buildings standing out amid haze
engulfing Wuhan, central China The Met Office says global carbon
emissions need to peak by 2020 to hit the G8's target  Keeping
global temperature rise under 2C (3.7F) will be almost
impossible unless carbon emissions begin to fall within a
decade, analysis suggests.  The conclusion comes from a study by
the UK Met Office (UKMO).    If you go to 2025 before peaking,
it's virtually impossible to stay under 2C Vicky Pope, UK Met
Office  The findings come from the Avoid programme, run by the
Met Office in conjunction with other UK research institutions
under government funding.  The latest results were presented at
the UN climate summit in Copenhagen.  The Avoid programme aims
to use the latest scientific understanding to make risk-based
assessments of the impacts, global and regional, of rising
greenhouse gas emissions.  'Virtually