Overhauling the traditional take-make-waste business model can be daunting, but these initiatives demonstrate that the payoff for experimentation and boundary-pushing is worth it. Even as the idea of a circular economy–a sustainable business theory that companies should eliminate waste by designing their business models to recycle and reuse everything they produce–becomes more popular, the traditional “take, make, waste” linear economy model is still, from sheer numbers standpoint, the standard.