By Richard Black
Environment correspondent, BBC News website, Copenhagen
**The first decade of the 2000s is the warmest on record, a report by the World Meteorological Organization (WMO) has said.**The agency’s data also showed that 2009 was set to be the fifth warmest year.
In a separate report, the UK’s Met Office said the current decade was “by far” the warmest since instrumental records began.
Its new analysis also showed that 2009 was almost certainly be the fifth warmest in the 160-year record.
A US analysis, meanwhile, suggests that a new global temperature record will be set “in the next one or two years”.
Met Office scientists have been giving details of the new analysis at the UN climate summit in Copenhagen.
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