In 2011 we've had various Arctic melting records, but for Earth's climate system as a whole probably the year before that was more dramatic. (bitsofscience.org)
It indicates that there has been no decline at all in the rate of heat accumulation in the climate system as a whole... if I understand things correctly. (realclimate.org)
Also global heat content of the ocean (which constitutes 85 % of the total warming) has continued to rise strongly in this period, and ongoing warming of the climate system as a whole is supported by a very wide range of observations, as reported in the peer - reviewed scientific literature. (climate-skeptic.com)