A report details how animal farming in the US became more concentrated from 2012 to 2017.

The price of hamburger meat nearly doubled during the period. On the one hand, this shows that increased concentration is not more efficient. On the other, if it leads people to eat less beef, that is a change for the better.

The article does not mention the tendency of corporate farms to breed antibiotic-resistant bacteria which could someday kill millions of humans.