Thought crimes. George Orwell was just off a couple of decades.
“Hey bro, what are you in here for?”
“Denying anthropologically generated global warming. Life plus 50.”
Only because he was writing about the USSR in the late 1940s and it was a WARNING to the UK and the rest of world; which they all have more or less ignored and plunged full bore into the mess that the West is now in.