It is in the book 'Dark Age America' by John Michael Greer, he does make mention of this that any one reading that book and is still fairly young, there will be

It is in the book 'Dark Age America' by John Michael Greer, he does make mention of this that any one reading that book and is still fairly young, there will be a day when they have their last bit of seafood. That is one of those books, you hate that his vision of the future looks so plausible. It is a shame that in recent years he went full an anti-vax with Covid even though he explained why that kind of thinking had issue in that very book. He has also started engaging in bizarre conspiracy theories about a lot of things.