‘Energy isn’t the issue – there is enough energy reaching us from the sun and we’ll work out how to harness it. The real issue is materials – there aren’t that many meteorites, so we only have what exists in the earth.’ - Professor James Clark, Director of The Green Chemistry Centre of Excellence.   Fear can either lead us forward or drive us back. Change rarely comes without stumbles and hiccups, and such a thought can be a pretty daunting one. However, the opportunity that the circular economy presents is one that may very well be the planet’s saviour. Or if you’re a glass half full person, at the very least, an opportunity for the planet to answer a particularly challenging equation.   But firstly, what is the circular economy? [...]