I never looked at fan mail, for some reason. My mother and grandmother handled my mail - although it's not like I was ever in the stratosphere of Kirk Cameron or Scott Baio.
When I did 'Battlestar Galactica' it was the first time I really understood science fiction. That was a very political drama, but set in spaceships so people didn't really take it seriously. But some really fascinating things were explored in that.
Look, very clearly there are things that need to be done urgently in relation to climate change, and of those the most obvious is to have an enforceable and equitable arrangement delivering deep cuts in emissions into the middle of the century.