Climate scientists just debunked deniers' favorite argument | Dana Nuccitelli -- the guardian

And in the process, illustrated the difference between skepticism and denial Whenever they hold one of their frequent hearings to reject and deny established climate science, congressional Republicans invariably trot out contrarian scientist John Christy, who disputes the accuracy of climate models. In doing so, Christy uses a cherry-picked, error riddled chart, but there's a nugget of truth in his argument. Although the discrepancy isn't nearly as large as Christy's misleading chart suggests...
https://www.theguardian.com/environment/climate-consensus-97-per-cent/2017/jun/28/climate-scientists-just-debunked-deniers-favorite-argument