The production of mineral based fertilizers requires a significant amount of energy and relies in part on non-renewable resources such as phosphate rock. Furthermore, the price of mineral fertilizer is currently at a record ...
Agriculture
Nov 17, 2023
0
123
A new study sheds light on the complex microbial ecosystems found in pit latrines, which are used by billions of people around the world. The findings are relevant for efforts to both improve public health and reduce greenhouse ...
Ecology
Oct 31, 2023
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66
Cities in the "global south"—densely populated urban areas that are part of low-income countries in Asia, Africa and Latin America—should phase out pit latrines, septic tanks and other on-site methods of human waste management.
Environment
Dec 18, 2019
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9
Developing countries struggling to cope with huge volumes of human waste may finally get some relief – and a new business opportunity.
Environment
Mar 22, 2017
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9
They call them frogmen. Their job is to climb into 8-foot-deep pit latrines, empty them with a bucket, then cart away mountains of human waste.
Engineering
May 12, 2015
0
16
