Nitrogen fertilizers are directly responsible for keeping about 3-4 billion people alive today. Any persistent shortage or supply chain disruption should be considered a global security issue.
Nat gas + Haber Bosch is the foundational structure of our food system and its ability to feed our current population. Perhaps a new innovation will replace it, but so far much of the proposed methods are complete fairy tale nonsense which will result in mass starvation without appropriate due diligence.