But human consumption includes Agriculture, if a country is dependant on the food it grows and there is no water, you will have a famine. If they are just cash crops that you trade for food, you will also have a famine.

All the argicultural land in california is about to become a lot less valuable. It's destruction of wealth and nature on a collosal scale. The idea that allowing climate change to continue is good for buinesss is idiotic, and could result in violence unseen since 1940's