Age: A MISTAKE about the timing of melting glaciers has snowballed into an unprecedented assault on the credibility of climate science, after revelations an author of the Intergovernmental Panel on Climate Change’s report knew one passage was wrong but included it. Pressure is mounting on the chairman of the IPCC, Rajendra Pachauri, with further elements of the IPCC’s report being brought into question and the separate announcement of a government inquiry into climate data in …