This publication is intended for use by professionals engaged in the design, approval, and operation of municipal solids treatment and disposal systems. This publication’s 26 chapters include contemporary new material on planning, public outreach and involvement, solids production and characterization, design approach, conveyance, conditioning, thickening, waste minimization, anaerobic and aerobic digestion, dewatering, composting, alkaline treatment, disinfection and stabilization, thermal drying, thermal oxidation, pyrolysis and gasification, transport and storage, odor management, sidestreams, instrumentation and monitoring, land application and product distribution, landfill management, emerging technologies, and treatment and utilization of green gases.