The circular economy
As resources dwindle and waste piles up, the ‘take, make and dispose’ linear model of economics is in need of a rethink. In a special issue, Nature examines how governments, industries and designers are looking to close the loop. In a circular economy, waste materials and energy are redefined as inputs by breaking down and repurposing goods or supplying them as services. It is more sustainable; it creates jobs. So, what research is needed?