Ideas from books, articles & podcasts.
Human and animal excrement is a natural, renewable, and sustainable resource - if only we can overcome our visceral disgust of it!
An average adult produces about a pound (or half a kilo) of poo a day. That means that New York City, with its official census population of more than 8 million...
If you think about where our food comes from, particularly in colder climates, you’ll realise it’s grown someplace else. As our bananas, apples, lettuce, corn and rice grow, they extract nutrients from the land.
That food is then trucked, shipped and flown to where we live – and where we ...
Our local sewage treatment plants clean that water from pathogens, but not from the nitrogen, phosphorus and potassium this wastewater is rich in.
These potent fertilisers usually flow into a body of water nearby, constantly overfeeding the lakes, rivers and the ocean.
That results ...
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