First decade of new millennium shows global warming

The UN weather agency has declared the first decade of the new millennium to be the warmest since instrumental records began in 1850.
Temperatures during the 1990s were warmer than the 1980s, and those of the 2000s were warmer again, said Omar Baddour, chief of the Data Management Application Divisions at the World Meteorological Organization. He made the announcement on March 24, 2010.
Last year, 2009, was the fifth hottest year since records began. The Southern Hemisphere was particularly warmer than the long-term average, while the Northern Hemisphere cooled at the end of 2009.
The information was based on climate data from 10,000 land stations, 3,000 aircraft, 1,000 upper air stations, 1,000 ships and nearly 70 satellites.