"Anyway, the warming of the Canadian Arctic due anthropogenic climate change..."
After reading that I could take nothing he wrote seriously.
After reading that I could take nothing he wrote seriously.
You are misreading him. In this sentence he is describing the plot of a movie. He may very well believe in AGW, but you can't deduce it from his description of a movie.
The notion of early man as a Typhoid Mary causing mass extinctions is a new one to me. But it sounds like a load of bull. As the author says, disease organisms are usually too exquisitely adapted to their hosts to jump to multiple species.