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TheLostHippos t1_j5yn8vp wrote

Reply to comment by GeekSumsMe in The world is (on average) 50% reliant on nonrenewable sources of phosphorus fertilizer to grow food. It won't go away this century, but prices will increase and ~3/4ths of reserves are controlled by one country by fartyburly

We are already finding incredible uses for human waste that may be able to provide many sources of food and nutrients.

There's the classic nightsoil method of using untreated human fertilizer but we've started developing new technologies to turn human excrement into both biogas and treated fertilizer!

Then there are other plans like letting Black Soldier Fly Larva eat human excrement and then turning them into a protein rich food source for animals.

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