The urine passed by one adult in a day is enough to produce a loaf of bread, according to researchers at US non-profit the Rich Earth Institute. Happily, they are referring to the amount of wheat that could be grown using urine-based fertilisers — not any more direct way of enriching the dough.
And this Vermont-based organisation, currently developing urine processing and handling technology, is not alone in noting the potential of “peecycling”. From the US and France to Kenya and South Africa, scientists and entrepreneurs are working on how to use this “l(fā)iquid gold” to address problems including wastewater pollution and fertiliser shortages.
您已閱讀15%（724字），剩余85%（4232字）包含更多重要信息，訂閱以繼續(xù)探索完整內(nèi)容，并享受更多專屬服務(wù)。