I'm not so pessimistic. I think we can say pretty confidently that Ehrlich was wrong. As was Malthus. Human ingenuity counts for something. And I don't unde

I'm not so pessimistic. I think we can say pretty confidently that Ehrlich was wrong. As was Malthus. Human ingenuity counts for something. And I don't understand how an economy works on anything other than a "productivity system."