2000 - 2009 | The warmest decade
Geneva, 8 December 2009 (WMO) The year 2009 is likely to rank in the top 10 warmest on record since the beginning of instrumental climate records in 1850, according to data sources compiled by the World Meteorological Organization (WMO).
World Meterological Association | 2000 - 2009: The warmest decade | December 2009
The Guardian | UK Met Office confirms past 10 years as warmest in recorded history | December 2009
If Itís That Warm, How Come Itís So Damned Cold?
James Hansen, Reto Ruedy, Makiko Sato, Ken Lo
The past year, 2009, tied as the second warmest year in the 130 years of global instrumental temperature records, in the surface temperature analysis of the NASA Goddard Institute for Space Studies (GISS). The Southern Hemisphere set a record as the warmest year for that half of the world.
Columbia University | If it's that warm, how come it's so damned cold? | January 2010
CO2Now | 2008 Temperature