It depends how much standard of living is affected, and what nonlinear effects might go along with that. "Hurt food production", in the BAU2 scenario, means ma

It depends how much standard of living is affected, and what nonlinear effects might go along with that. "Hurt food production", in the BAU2 scenario, means mass starvation as the food supply shrinks from feeding 7 billion to feeding less than 2 billion. Humanity hasn't seen that sort of contraction before. It is unlikely to be pretty.