Sewage sludge down on the farm

The phrase "sewage farm" may have fallen from favour and been replaced with terms such as waste water treatment works and the like. But, the origin of that archaic phrase refers very directly to the fact that partly processed ...

Expert to Rio athletes: 'Don't put your head under water'

Just days ahead of the Olympic Games the waterways of Rio de Janeiro are as filthy as ever, contaminated with raw human sewage teeming with dangerous viruses and bacteria, according to a 16-month-long study commissioned by ...

A safer way to deal with raw sewage in the developing world

In 2011, an engineering student came up with an idea to help people in the developing world deal with raw sewage. His goal was to use technology to help save lives by limiting people's exposure to the pathogens in human waste. ...

Rethinking the value of sewage sludgeĀ 

Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical process that extracts ...

Silver nanoparticles may adversely affect environment

In experiments mimicking a natural environment, Duke University researchers have demonstrated that the silver nanoparticles used in many consumer products can have an adverse effect on plants and microorganisms.

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