Mathematicians are trained to think logically. Of course they see through this BS.
No no. They called it a crusade. We are not allowed to use the word crusade because it will offend the sensibilities of Muslims. They need to pick another word.
Since they usually deal with abstractions and not observations of the real world or an understanding of its interactions, mathematicians don't seem like the most qualified people to determine whether global warming is real or imagined. That there are some physicist skeptics seems more interesting, to me anyway.