Peak phosphate

peak
https://en.wikipedia.org/wiki/Peak_phosphorus

https://web.mit.edu/12.000/www/m2016/finalwebsite/solutions/phosphorus.html At current consumption levels, we will run out of known phosphorus reserves in around 80 years, but consumption will not stay at current levels. Nearly 90% of phosphorus is used in the global food supply chain, most of it in crop fertilizers.

This solution uses phosphate which is a bad idea: https://www.youtube.com/watch?v=cApVVuuqLFY Undecided with Matt Farrell. Is Fungus the Plastic of the Future? Plastic changed the course of manufacturing forever, but came at a cost. Mycelium technology might be the solution and the next big boom ... a plastic-like replacement with so many uses and new opportunities for products, companies, and profits. Let's explore mycelium technology and how it can help us achieve a more renewable and cleaner future.

links
https://www.agchemigroup.eu/en/blog/post/why-does-myth-global-phosphate-shortage-still-exist takes the view that we have 300 years of reserves left. This might be so but China was the largest exporter of phosphate and has banned all exports. It is the availability of such reserves which is the issue. Energy technology Greenhouse