Scientists are helping the paper industry to convert paper sludge - the largest waste stream from paper factories - into bio-oils and raw materials suitable for re-use. They aim to build a ...

BROCKTON — Brockton balked on a $34.8M plan to turn sewage sludge into "biochar" it could sell for $300 a ton. Mayor Robert Sullivan said Friday that he put the proposal on pause after pushback from ...

Controversial plans to generate electricity by heating an oily sludge to 900C (1652F) have been refused by Pembrokeshire council. Barcud Energy from Cardiff had applied to open a pyrolysis plant at ...

A disposable but eco-friendly electrochemical sensor made from sewage sludge detects trimethoprim in water and urine.