This post originally appeared on the Ellen MacArthur Foundation’s ‘Circulate News‘ website. The shift to a circular economy presents a wicked, multidimensional problem: how can we redesign our operating system so that it works in the long term, and reflects the current context in terms of resources, energy and economic pressures? It’s hard to know where to start. After all, our linear economy is reaching its own end-of-life, and ‘designing’ new economies has never really worked that well for us in the past. The challenge is really about enabling an ecosystem to emerge which effectively (re)uses materials and resources, and rebuilds economic, social and natural capital. When we look at the circular economy field now, it’s dominated by large corporate players – and we do need these businesses taking on responsibility and leading with their considerable research, manufacturing and marketing clout. But redwoods and rhinos don’t make a whole ecosystem, there are many more parts to be played. To live up to the rhetoric and develop a real circular economy we need diversity of size, of focus, of motivation, and perspectives. Diversity of scale – key to a healthy economy. Reaching this goal will require a shake-up of not just our products and services, but also the way in which we develop them and interact with each other. Much like the steam engine was able to power the rapid economical, social and – for better or worse – environmental change of the industrial revolution, at this stage it seems we’re waiting to see what invention will propel us headlong into a thriving 21st century circular economy. Will it be...