The next gold rush could be in sewage. A new report from a group of scientist says that human faeces contain gold, silver and other rare earth like palladium and vanadium in levels high enough to...
For the past several months I have been working on the ground with a multidisciplinary team of young doctors and technology entrepreneurs looking at innovative ways to manage the vast amounts of...
If you’re reading this, chances are very good that you’re not all that worried about having regular access to a clean, safe toilet. (You may even be sitting on one while you’re reading this.) More...
Drought, environmental regulation and the heavy reliance on fresh water are prompting big industrial companies, from oil and gas firms to chemical producers, to look at treating their wastewater for...