Circular cities of the world: What can green infrastructure do?

More than half of the world's population currently lives in cities while projections show an increase to two thirds by 2050. Many people living in small areas means large amounts of waste, high resource consumption and loads ...

Are coal-fired power plants affecting your drinking water?

When you get a drink of water from your fridge or sink, do you think about where that water came from? It has traveled through pipes from a water treatment plant where it underwent chemical processes to make it safe to drink. ...

Progress in hunt for unknown compounds in drinking water

An unknown number of byproducts are formed in the drinking water treatment process, and scientists don't know what many of them are. However, using advanced technology, researchers at Linköping University have been able ...

Microplastics in freshwaters

As small as a grain of dust—but of great global significance. The word microplastics is familiar to many, but the dangers are virtually unexplored. In recent years, plastic pollution has become an ever-increasing burden ...

Turning wastewater sludge into energy and mineral salts

A system developed by EPFL spin-off TreaTech can turn sludge from wastewater treatment plants into mineral salts – which could be used in fertilizer, for example – and biogas. The firm's research is being funded by several ...

Can we turn sewage 'sludge' into something valuable?

Over the past few years I have become an academic expert in "sewage sludge" – the residual, semi-solid mix of excrement packed with microorganisms that is left behind within wastewater treatment plants. Every year the UK ...

page 27 from 40