The Last Frontier of Sustainability

An eco-toilet is any toilet that uses less water and/or recovers more nutrients than a conventional flush toilet. Ideally, it should be best at both  – use no water and recover all nutrients. Flush toilets use lots of water and recover no nutrients. The trend in eco-toilets is towards waterless toilets, separation of waste streams with a different treatment for each type of waste, and recovery of nutrients.

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