urine: 1/2 of 2
Peak phosphorus: our most important nutrient running out
Ewan Kingston
12th January, 2010
It has no synthetic alternative and some scientists believe supplies may already be in a terminal decline. But there is still no international effort to tackle the massive agricultural problems that will come when the phosphorus runs out more...
The power of wee: urine could be green energy
Ecologist
16th September
Urine could be used to generate electricity and as a free alternative to mineral fertilisers more...
urine: 1/2 of 2
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