The value of materials and manufacturing in a circular economy
Part 1 of 2 of thinkstep-anz’s circular economy series By Dr. Jim Goddin Circular products are built to last. The materials that make them up stay in use for as long as possible. When they can no longer be used in their original form, they contribute to other products. A circular economy is based on three principles: designing out waste, keeping products and materials in use, and regenerating natural systems. Circular economy thinking is gaining traction in New Zealand and Australia but focuses predominantly on avoiding or minimising waste through recycling. In New Zealand, waste — especially single-use packaging and plastic waste — has enjoyed the spotlight as a high-priority environmental issue for quite some time. In the latest Better Futures report by Colmar Brunton, two of the top ten concerns for New Zealanders were not enough waste being recycled and, overpackaging, non-recyclable packaging and the amount of waste going to landfill. Yet, waste remains a stubborn issue to tackle. Waste avoidance through recycling is a prominent component of the circular economy and is, from a practical perspective, where most products will need to end up. Recycling is, however, the outermost ‘loop’ in the circular economy model, with materials typically representing a tiny portion of the economic value of products. Recovering the more substantial value added to materials through manufacturing is a more significant portion of the prize at stake. The inner loops of the circular economy model Dig a little deeper into the circular economy model and you get to the inner ‘loops’ where the systems-level change happens. Strategies in the inner loops of the circular economy include product life extension, enhanced product utilisation (through leasing models for example), reuse, repair and remanufacturing. The inner loops address the root causes of waste: overproduction and overconsumption. A key economic advantage […]