PhosphateShortage

Context: OnAgriculture

Norway may be solving it : https://www.euractiv.com/section/energy-environment/news/great-news-eu-hails-discovery-of-massive-phosphate-rock-deposit-in-norway/

Previously

Apparently Morocco owns 70% of the rock phosphates that all fertilizers in the world depend on.

It may not be peaking or running out yet, but it does mean they effectively have control over the industrial world's food supply.