Tough new rules requiring a “two-barrier” composting process for kitchen and catering wastes are expected to be finalised soon, writes Kate Freeman. The barrier process is suggested in a risk ...

Twenty miles south of Boise, crews at the city compost farm are bracing for the busy season. “Grass season,” as compost program director Lisa Knapp calls it, means bag after bag of lawn clippings and ...

Join our growing army of changemakers and get unlimited access to our premium content The TEG Silo-Cage consists of a bank of 4-20 large silos, with walls made out of stainless-steel mesh. To maximise ...

The Metropolitan Denver Sewage Disposal District Number 1 (District) dual utilization approach to sludge management and disposal uses farm land application of thickened, anaerobically digested sludge ...

As the process continues, the compost pile gets smaller as carbon is broken down, meaning temperatures fall. Once temperatures reach 40C or less, the mesophillic phase begins to take hold, where the ...

Chris Vaughn, Yellowknife's manager of solid waste and sustainability, digs into a pile of curing compost at the city's landfill. (Liny Lamberink/CBC - image credit) Chris Vaughn uses a bare hand to ...