The Ecologist

 

urine: 1/2 of 2

Peak phosphorus

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...
A cow having a pee

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

Work for The Ecologist as a Contributing Editor

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