Free speech on campus advocates urge people to say the unsayable

Sigh. There is no "“Established Church of Climate Catastrophe” . Most climate scientists think there is ample evidence that greenhouse gas emissions are having a warming effect on our planet - a matter of inference to the most likely explanation, not a matter of of faith. I have never come across any “ferocious attacks on climate sceptics” - but there have been quite a few incidences of personal attacks on prominent climate scientists in the USA...