*First broadcast on January 23, 2025. As the need for circular economies grows, there's a new focus on repairing products. We look at how people in Japan maintain items using approaches ranging from traditional kintsugi to modern skills.

Throughout history, people have bathed in public rather than in private. Should we bring back the public bathhouse for the sake of sustainability?

This guide explains everything you need to know to build stand-alone photovoltaic systems that can power almost anything you want.