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Circular Economy Podcast - Episodes

183 Sean Petterson of Supersede

183 Sean Petterson of Supersede: recycled plastic structural board that outperforms wood

Sean Petterson explains how Supersede delivers a true 1:1 replacement for plywood and OSB that outperforms wood on durability, safety, cost stability, and supply predictability, without the need for manufacturers to change how they build. Sean Petterson is Supersede’s Co-Founder and CEO, and after beginning his career in construction, Sean has developed and secured multiple patents in manufacturing systems, material science, and applied technologies, with a focus on scalable production and real-world deployment. His experience spans polymer engineering, high-volume manufacturing, and commercialization of hardware and software systems. Supersede is an advanced materials company transforming how structural building products are designed, manufactured, and deployed across marine, RV, specialty vehicles, and construction. Supersede’s products are made from extruded industrial plastic waste, reducing…

Recent episodes

183 Sean Petterson of Supersede

183 Sean Petterson of Supersede: recycled plastic structural board that outperforms wood

Sean Petterson explains how Supersede delivers a true 1:1 replacement for plywood and OSB that outperforms wood on durability, safety, cost stability, and supply predictability, without the need for manufacturers to change how they build. Sean Petterson is Supersede’s Co-Founder and CEO, and after beginning his career in construction, Sean has developed and secured multiple patents in manufacturing systems, material science, and applied technologies, with a focus on scalable production and real-world deployment. His experience spans polymer engineering, high-volume manufacturing, and commercialization of hardware and software systems. Supersede is an advanced materials company transforming how structural building products are designed, manufactured, and deployed across marine, RV, specialty vehicles, and construction. Supersede’s products are made from extruded industrial plastic waste, reducing…
182 Dr Jack Barrie

182 Dr Jack Barrie: how ‘coalitions of the doing’ can help us manage global materials

We’re all seeing how geoeconomic tensions are affecting the supply of key resources, including mined minerals and fuels together with food and other biological resources. My guest, Dr Jack Barrie, is the lead author of a recent World Economic Forum white paper, The Future of Materials Systems: cooperation opportunities in a Multipolar World. In the context of today’s world of competing regions and powers - where the multilateral system is really struggling to make progress – Jack and his contributors set out to answer an important question: how do we keep progress going? Dr Jack Barrie is an independent global advisor and researcher specialising in the circular economy, with more than 15 years’ experience working at the intersection of policy,…
Ep181 Meital Peleg Mizrachi

181 Dr. Meital Peleg Mizrachi: the rebound effects of second-hand fashion platforms

When we look closely, we can see that circular solutions can end up compromising - or even cancelling out - sustainability benefits. In this episode, we’ll discuss research into the psychological concept of moral licensing, and the rebound effect. Dr. Meital Peleg Mizrachi works at the intersection of sustainable fashion, consumer behaviour, and public policy. She is a postdoctoral fellow at Yale University and an adjunct professor at the University of Connecticut, and her research focuses on the environmental and social implications of global fashion systems, including overconsumption, second-hand markets, and regulatory frameworks. Meital explores how policy design, behavioural insights, and economic structures shape sustainable consumption patterns. She is a board member at the Sustainable Fashion Consumption Research Network, and…
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