Measures for cleaner air

Many measures have been introduced around the world with the aim of reducing outdoor air pollution and concomitantly improving public health. These efforts include, for example, the regulation of industrial emissions, the ...

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 ...