National Public Radio: It's official: 2014 was the hottest year on record.
The National Oceanic and Atmospheric Administration's National Climatic Data Center crunched the numbers and came to this conclusion:
"The year 2014 was the warmest year across global land and ocean surfaces since records began in 1880. The annually-averaged temperature was 0.69°C (1.24°F) above the 20th century average of 13.9°C (57.0°F), easily breaking the previous records of 2005 and 2010 by 0.04°C (0.07°F). This also marks the 38th consecutive...