How a 21-Mile Hormuz Strait Threatens the Nutrient System Feeding Half the World.
Just a thought: Urine contains urea nitrogen, instead of sending to sewage treatment plants why could it not be collected and used to fertilize in troubled times ?
Millions of people in urban centers could be collecting and dropping off, something like garbage collection trucks do periodically ?
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[ 3.4 ms ] story [ 12.4 ms ] threadJust a thought: Urine contains urea nitrogen, instead of sending to sewage treatment plants why could it not be collected and used to fertilize in troubled times ?
Millions of people in urban centers could be collecting and dropping off, something like garbage collection trucks do periodically ?