In parts of Sweden, modern homes are being designed with a plumbing system that goes far beyond traditional sewage. Instead of relying on a single wastewater outlet that mixes everything together, these houses are constructed with three separate pipes, each serving a different purpose.
At first glance, this may seem like a small architectural detail. In reality, it represents a fundamental redesign of how household waste is managed, turning everyday activities such as cooking, showering, and using the bathroom into components of a larger circular energy system.
