Was 2014 really the hottest year on record?

Is climate change real, has the Earth got warmer, and was 2014 truly the hottest year on record? NASA waded into the heated argument over heat with unequivocal claims that we can't ignore rising temperatures, citing not only its own numbers but those of the National Oceanic and Atmospheric Administration (NOAA) and concluding the environment is getting hammered by greenhouse …