Scientists have developed an improved method to convert municipal wastewater sludge into higher quality renewable fuel while significantly reducing harmful nitrogen compounds, offering a promising ...

The Aurora City Council is looking at spending about $1.8 million for a new contract to have lime sludge removed from the city’s water treatment plant. Aldermen on the Infrastructure and Technology ...

Summerville, Ga., is looking for greener pastures - for its sewage sludge. At a public meeting tonight, city officials will discuss putting treated sewage sludge on about 350 acres of pasture on West ...