When it comes to the left and the climate change scam, comment isn't free, and, as Bishop Hill says, criticism is forbidden. I find that sinister, don't you? No scrutiny, no dissent, just the word of the IPCC and its tame propaganda outlets, such as, of course, the Grauniad.
Not a comprehensive survey, but of the first 50 comments on Pachauri's article in the Guardian, 18 were deleted.
Criticism is forbidden.