This article either doesn't fully relate the research done by Jorgenson et al, or it has a misleading title.  The key sentence is, "Of 27 control plots, this is the only one with this dramatic subsidence."  If only one control plot out of 27 is showing dramatic subsidence, then why title this article, "Across much of the Arctic, a thawing landscape is sinking."

Please don't misunderstand - I do believe that CO2 is going up, that the rise in CO2 is difficult to attribute to anything other than anthropogenic emissions for the increases seen, that rising CO2 causes global warming, that worldwide temperatures are increasing (although there are some problems with the data), and that potential global-warming-related problems are worrisome enough to devote significant resources to (I favor a carbon tax).  However, the error bars on what will happen in terms of global temps, and especially what will happen in any one place, are pretty large.