Circular Material Marketplaces with Christian van Maaren

Episode 018: Podcast Show Notes

In this episode, Christian van Maaren tells us about the economic and environmental benefits of reusing waste materials and how his company Excess Materials Exchange has helped to reuse over 70,000 tonnes of materials. You will learn about how to create value from and find new uses for materials once thought of as waste and hear about Christian’s mission to redefine waste.

Update: Since recording the podcast, Excess Materials Exchange has finished conducting the pilot study discussed in the podcast. In terms of the potential impact of the pilot, here are the final findings:
·     Identified financial value equivalent to €64 million
·     Energy savings equivalent to the energy consumption of the city lights in Paris for five years
·     Water savings equivalent to 860 Olympic-size swimming pools
·     CO2 savings equivalent to almost 870,000 car rides from Amsterdam to Milan

Podcast Highlights and Circular Material Takeaways

  • 3:00 Meet the ‘Tinder’ of the circular economy that matches secondary material supply with demand
  • 5:30 Quantifying the resources saved by reusing materials
  • 8:00 Plastics, textiles, organic waste, and other materials that can be reused
  • 10:30 How technology enables track and trace of resources flows
  • 16:00 Going beyond a platform to match supply and demand of secondary materials
  • 17:15 How excess materials are driving the transition to a circular economy
  • 20:30 Eight challenges to implementing material reuse platforms
  • 26:00 Legislative barriers to reuse of materials
  • 32:00 Rethinking our views of waste to enable a more circular economy

Learn More About Circular Economy and Topics in this Episode


circular economy presentation guide overview ppt pdf introduction


About the Show

Getting In the Loop is a weekly podcast dedicated to exploring how to transform to a more circular society. Join host Katie Whalen as she examines the challenges facing our current resource use and discovers alternatives to the ‘take, make, dispose’ way of doing things. Each week she interviews circular economy experts about what they’re doing and learning. Together we'll uncover what circular economy means in practice and find out what's being done to keep our resources in a loop rather than sent to waste.

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About Today's Guest

christian van maaren circular economy podcast

Christian van Maaren

Christian van Maaren is co-founder of the Excess Materials Exchange. The company aims to find new uses for waste materials by connecting stakeholders and has created value for unused materials in various industries and sectors including plastics, textiles, and construction.

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