A new machine named Thor is helping Republic Services take out San Diego's trash more sustainably and on a larger scale. Why ...

As storm recovery efforts continue, the city of Springfield’s Department of Environmental Services is extending its ...

As we predicted, New York City’s new household organic waste collection mandate (also called composting) is working — and not ...

Instead of letting your kitchen scraps go to waste, here’s how a compact biogas unit is helping households turn them into ...