Biosolids, also known as sewage sludge, move through a centrifuge during the final stages of processing. Josh Lutz displays ...

Free Land, made up of local, regional and national groups, is pushing for biosolids to be dewatered and landfilled instead.

Sewage sludge - the thick, organic, and, yes, smelly wastewater treatment byproduct- represents a massive and costly problem. The world's cities produce over 100 million tons of the stinky substance.

Stephen Robb visits Biocore Environmental in Roscommon, which uses wastewater sludge as feedstock for its anaerobic digestion.

As residents in the Dublin Road and Dowdallshill areas of Dundalk have been forced to close their windows due to the foul ...

NYS Senator Pete Harckham and Assemblymember Dr. Anna Kelles, alongside environmental advocates, bipartisan elected leaders, ...

Bristle worms and soldier fly larvae can grow on aquaculture sludge and become protein-rich feed for fish and livestock. But toxic substances can ...

Vaulted Deep, a waste management company turning excess organic material into permanent carbon storage, has been awarded $8 ...

Biosolids, or sewage sludge, are the solid byproducts of the ... air encourages the growth of microbes that further break down organic particles. The wastewater then gets moved back to another ...