Two years late and at a cost of an extra $2 million, the Metropolitan District expects this spring to join the ranks of the alchemists who turn the worthless into the wonderful. The district, which is ...

Compost piles are prepped for screening at the Tulare Lake Compost plant. Researchers say that natural fertilizers created from sewage sludge are an increasing source of wind-blown microplastics.

KETTLEMAN CITY, Calif. — Here at the western edge of the Tulare Lake Basin dwells a smelly industrial site the size of 150 football fields. Roughly eight times a day, its operations are replenished ...

KAHULUI — Maui EKO Systems, which has processed the island’s green waste and county sewage sludge into compost for nearly 23 years, could be put out of business as early as the end of next year ...

(Beyond Pesticides, August 11, 2010) Independent tests of sewage sludge-derived compost from the Synagro CVC plant -distributed free to gardeners since 2007 by the San Francisco Public Utilities ...

Pesticide-laced compost has presented a quandary for the USDA’s National Organic Program ever since California regulators traced residues of dichlorophenyl-dichloroethylene, a breakdown product of DDT ...

Two competing plans to get rid of sludge–187 tons of the slimy stuff every day, by one estimate–are at the heart of a fight between Waukegan and the North Shore Sanitary District as the city struggles ...

Part 3 of Grist’s special series on poop. Laura Allen, a 33-year-old teacher from Oakland, California, has a famous toilet. To be honest, it’s actually a box, covered in decorative ceramic tiles, ...