What's new in
Wastewater
The New W4 Magazine Is Here
W4 relaunches with a new website, an English edition, dedicated series pages and a separate professional hub – the same coverage, with far better tools for reading and finding it.
From Wastewater to Fertiliser: a $12 Billion Turn
The global nutrient recovery market will double by 2032 – anaerobic digestion and circular economy thinking are rewriting what we mean by wastewater treatment.
A Trunk Sewer Collapses Near Washington
The failure of an ageing sewer section sent more than 900 million litres of raw sewage into the Potomac River.