Scientists at Nanyang Technological University, Singapore (NTU Singapore), have developed an innovative solar-powered method to transform sewage sludge — a by-product of wastewater treatment — into ...

With a new solar-powered method that converts sewage sludge into green hydrogen fuel and protein-rich animal feed, researchers have literally turned trash into treasure. The method recovers more than ...

A new method to treat sewage can efficiently convert leftover sludge to biogas, an advance that could help communities lower their waste treatment costs while helping the environment. A new method to ...

The Times dug into the widespread use of sewage sludge as fertilizer, which is sometimes heavily contaminated by “forever chemicals.” By Hiroko Tabuchi For decades, the government has encouraged ...

Sludge, a byproduct of sewage treatment, is often spread on fields as fertilizer. But growing research shows that toxic chemicals like PFAS are lurking in the muck — and getting into our food. Sludge, ...

(Beyond Pesticides, October 27, 2025) With the confluence of science and law, the spotlight is on sewage sludge fertilizer and its contaminants, including per- and polyfluoroalkyl substances (PFAS).