U.N. group reports that 2014 was Earth's warmest year

Yet another source confirms 2014 was the Earth's warmest year on record.

The World Meteorological Organization (WMO) this week agreed with NASA, NOAA and the Japanese Meteorological Agency, all of which made their announcements last month.

The WMO, a United Nations agency, reported the average global air temperature in 2014 was 1.03 degrees above the long-term average of 57.2 degrees. That puts 2014 slightly ahead of both 2010 and 2005, the previous warmest two years.

"Analysis of the datasets indicates that 2014 was nominally the warmest on record, although there is very little difference between th