Climate experts say that last year was the hottest year ever. They also say that sea ice is disappearing in the heat.
Neither claim is supported by actual data. Last year began the year with record amounts of sea ice on the planet, and finished the year just behind that record.
The amount of sea ice on Earth has been averaging about one New England above normal since the start of 2013.
arctic.atmos.uiuc.edu/cryosphere/timeseries.global.anom.1979-2008
timeseries.global.anom.1979-2008.xls
Satellites have much better coverage than surface data, and they show that 2014 was nowhere near the warmest, and in fact was a fairly ordinary year

Wood for Trees: Interactive Graphs
The NASA/NCDC announcement was clearly politically motivated, and is not supported by science. Look for President Obama to cite Gavin’s fake claim in his State of The Union speech.