How Does a Green Cone Solar Digester Work?

Photo credit: Anita Jankovic via Unsplash. Article by Steve Russell. Environment.co – July 25, 2023.

Invented in 1988, the Green Cone is a double-walled, solar-powered biodigester that sits partially buried in the ground. Through the process of aerobic decomposition, it helps people break down their food and pet waste right at home — all without any odors. To use it, you just open the lid, add waste, sprinkle in the occasional bacteria, and close the lid again. The underground portion of the cone allows insects and microorganisms to aid in decomposition. […]

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