Posted 7 May 2015
At the print edition of nthe Swiss news weekly Weltwoche, science journalist Markus Schar writes that not only has the global temperature trend suspiciously been tampered with, but so have the datasets of the Swiss Meteorological Service. In the article linked below, he shows charts of the mean averages and trends for Sion and Zurich before and after "adjustments", which resulted in a doubling of the temperature rise.
Link here