Recycling human and animal excreta could help meet nutrient supply for global crops
It might not be a pleasant image, but recycling all the human and livestock feces and urine on the planet would contribute substantially to meeting the nutrient supply for all crops worldwide, thereby reducing the need to mine fertilizers such as phosphorus and dramatically reducing the dependency on fossil fuels, according to a global analysis of nutrient recycling published in Nature Sustainability. ⌘ Read more