BBC: The first decade of this century is "by far" the warmest since instrumental records began, say the UK Met Office and World Meteorological Organization. Their analyses also show that 2009 will almost certainly be the fifth warmest in the 160-year record. Burgeoning El Nino conditions, adding to man-made greenhouse warming, have pushed 2009 into the "top 10" years. The US space agency Nasa suggests that a new global temperature record will be set "in the next one or two …