Human waste an asset to economy, environment, study finds

Human waste might be an unpleasant public health burden, but scientists at the University of Illinois see sanitation as a valuable facet of global ecosystems and an overlooked source of nutrients, organic material and water.

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 ...

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 ...

Building better life support systems for future space travel

Astronauts on future long-duration spaceflight missions to the Moon and Mars could rely on microalgae to supply essentials including food, water and oxygen. A new investigation aboard the International Space Station tests ...

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