I remember discussing this a year or two ago but I have to say I’m surprised at the acceleration of the problem.
California has banned the most effective Rat Poison that is used pretty much worldwide. Even the Europeans who are like the ultimate Environmental NAZIs have restricted it’s use to licensed professionals but not banned it entirely.
Chicago is #1 in Rat Population in the U.S. with LA following as a close #2.
The result is both cities are being overrun with Rats. Even in the 1700s Rat Control became commonplace and acknowledged as a necessary function to keep cities disease and vermin free.
The modern world has regressed to the extent that Rat Control is no longer a priority.
If we ever end up in a situation where we are having to rebuild with 1800s technology the moment someone says the word “environment” in a discussion about Rat Control either hang them immediately or expel them from the community as a Public Danger.
https://ktla.com/news/local-news/could-los-angeles-become-the-rattiest-city-in-the-united-states/
The Librarian