The problem with the word “costs” is that it’s too easy to conflate this with money, and just think it means spending more of an abstract and essentially unlimited resource (money).
The reality is that it means we will HAVE LESS STUFF, food or otherwise, because we are increasing the effort required to generate a unit of food.
The reality is that it means we will HAVE LESS STUFF, food or otherwise, because we are increasing the effort required to generate a unit of food.