National Geographic: The year 2014 was the hottest since record-keeping began in 1880, according to independent reviews of temperature data released Friday by NASA and the National Oceanic and Atmospheric Administration.
Globally, land and ocean temperatures were 1.24°F (0.69°C) higher than the average for the 20th century-passing previous highs set in 2005 and 2010.
The announcement comes as international negotiators are still struggling to reach agreement to reduce global carbon dioxide emissions in the wake...