Add Yahoo as a preferred source to see more of our stories on Google. Compost piles are prepped for screening at the Tulare Lake Compost plant. Researchers say that natural fertilizers created from ...

What goes down your toilet can end up on farm fields across the United States. Biosolids, or sewage sludge, are the solid byproducts of the wastewater treatment process. Rich in nutrients, they can be ...

Demonstrate and evaluate three methods of composting greenwaste and biosolids. The three methods investigated were: static pile, AgBag, and windrows. Greenwaste generation = 2,200 tons per year.

For decades, cities and states have been using treated human sewage, called "biosolids", to create composts and fertilizers. They've also applied millions of gallons of biosolids to farmland across ...