Earth nearing its eight billionth resident has Bill Maher very concerned. More people means more CO2 and that means catastrophe.  Unconcerned is Alex Epstein, author of the book Fossil Future: Why Global Human Flourishing Requires More Oil, Coal, and Natural Gas—Not Less. Alex thinks we should carefully consider the advantages and disadvantages while deciding what to do with fossil fuels. He believes the widespread idea that rising CO2 will make the Earth unlivable is literally impossible and he would like to tell Bill why.  Instead, he tells us.