Updated 8 June 2015
Afew days ago the US National Oceanic and Atmospheric Administration (NOAA) published claims aiming to show that there has been no "pause" in global warming. Among the many immediate challenges to that NOAA claim have been two worthy of notice: the first by Dr Judith Curry, climatologist, and former chair of the School of Earth and Atmospheric Sciences at the Georgia Institute of Technology; the second by Fred Singer, Professor Emeritus, University of Virginia, and a founding director of the Science & Environmental Policy Project (SEPP).
UPDATE: Summary by Dr Cal Beisner here
Read Judith Curry here
Read Fred Singer here