Abstract: A composting apparatus is provided comprising two similar units arranged side-by-side each provided with a wire mesh basket structure as its lowermost extremity. The units are installed in a hole in the ground, with the wire baskets underneath and allowing below-ground communication between the composting contents therein. Each unit has an inclined top wall with a radiation transmissive lid therein, air ducts extending upwardly and allowing air ingress into the units through an adjustable opening, and a common exhaust duct with an exhaust fan. A deodorizing filter is provided in the common exhaust duct. The units are insulated to enhance heat retention.

Abstract: A container for disposing of waste is provided. The container comprises an upper portion and a lower portion which are removably engaged to define an enclosure for the waste. The lower portion comprises a plurality of water permeable passages formed therein. The upper portion includes solar radiation collection means for heating the enclosure. The container is suitably used to decompose biodegradable waste. Preferably, the container is used to decompose daily household refuse.