Composting is an endpoint that currently handles roughly 9% of generated MSW1 and is viewed as a critical part of waste diversion. However, information and data regarding composting operations has historically been lacking. The newly released Composting State of Practice, a collaborative report by the Environmental Research & Education Foundation (EREF), the United States Composting Council (USCC), and the Desert Research Institute (DRI), provides details on the current landscape of composting across the United States.