Topic

Infrastructure

Where Centralised Wastewater Treatment Stops Paying

A study of 10,826 Chinese treatment plants finds that big centralised systems are reaching two limits at once, on easing water scarcity and on paying their way, and that a hybrid model could do the job for up to 37% less.

Windermere, UK

Only Rainwater Into Windermere: What It Would Cost

An English coalition has costed what it would take to keep every drop of wastewater out of England's largest lake, £3.6–3.7 billion, and its modelling says nothing less ends harmful algal blooms.

The Potomac in Washington, DC

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.