I want to make clear that I have a good deal of respect for Jeff Tollefson, on account of how often my searches lead to one of his articles, which are consistently clear and helpful. I even think this article is fundamentally sound and helpful.
However, there's one word that's an stellar example of "seepage" whereby scientists and science communicators unconsciously adopt the contrarian meme, rather than getting back to fundamentals and explaining what's happening to our global heat and moisture distribution engine.
Seepage, impacts of a chimera - Lewandowsky, Risbey, Oreskes study
The paragraph had potential for an insightful learning moment, instead it plays right into the Republican campaign of confusion.
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US agency’s updated temperature records suggest that global warming continues apace
Jeff Tollefson - June 2015 - Nature.com
"An apparent pause in global warming (2) might have been a temporary mirage, according to recent analysis. Global average temperatures have continued to rise throughout the first part of the twenty-first century, researchers report on 5 June in Science1.
That finding, which contradicts (1) the 2013 report of the Intergovernmental Panel on Climate Change (IPCC), is based on an update of the global temperature records maintained by the US National Oceanic and Atmospheric Administration (NOAA). The previous version of the NOAA data set had showed less warming during the first decade of the millennium. ...
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(1) Contradicts what?
Karl had more information at hand then IPCC did. It's about better information leading to better understanding and more accurate numbers.
Isaac Asimov considers The Relativity of Wrong
http://whatsupwiththatwatts.blogspot.com/2014/07/isaac-asimov-relativity-of-wrong.html
http://whatsupwiththatwatts.blogspot.com/2014/07/isaac-asimov-relativity-of-wrong.html
The physical reality is that it is exceedingly difficult to measure Earth's temperature with 100% coverage or accuracy, and while scientists are doing an amazing job and getting amazingly detailed, it'll never be enough for the contrarian hearted. So, we allow malicious fraudster to rain contempt and slander on respectable professional humans doing their jobs, on account of the difficulty of their task. It's vicious, mean spirited, and intended to make our public stupid. While too many communicators unconsciously keep falling in line with their malicious misrepresentations.
Karl et al. didn't contradict anything, it incorporated new information and offers another step forward in understanding and refinements, and it updates previous understanding, along with raising some new questions.