Have a plastic waste problem? Fall in love with it (ft. Luenne Coelho, Reefaire) episode artwork

EPISODE · Feb 16, 2026 · 51 MIN

Have a plastic waste problem? Fall in love with it (ft. Luenne Coelho, Reefaire)

from Materials Deep Dive · host Carolina Carreira

Today we have another interview! Plastic waste is one of society's biggest problems, so Luenne Coelho decided to make furniture out of it. As founder of Reefaire, she's turning discarded plastic cups into high-performance composite panels for architecture and design. Together we talk about the importance of loving a problem, the need to do the work if we want to see change and why selling an imperfect product is actually better.Join us to hear about:One smart idea to help with the plastic waste problemGoing from frustration to innovationFalling in love with a problem in order to solve itThe waste in civil constructionHow Reefaire turns plastic cups into amazing decorationand Portuguese speakers forgetting words in English (it’s a bottle cap btw)Follow the podcast on ⁠Instagram⁠ and ⁠TikTok⁠ @materialsdeepdiveCheck out the books we mentioned:The Lean Startup by Eric Ries⁠Escape from Nexus Labs⁠ by Carolina Sofia CarreiraLuenne Coelho is a Brazilian architect and urban planner from the Federal University of Rio de Janeiro (UFRJ), currently pursuing a postgraduate degree in Finance and Controllership at the University of São Paulo (USP). She is the founder of Reefaire, a deeptech startup focused on developing high-performance sheets and composites from plastic waste, with applications in architecture, design, and civil construction. She works at the intersection of materials science, circular design, industrial innovation, and business strategy, focusing on scalable solutions to climate change.If you want to know more about Reefaire follow their work through their ⁠website⁠ and ⁠LinkedIn page⁠. You can send a message to Luenne through her LinkedIn.

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Have a plastic waste problem? Fall in love with it (ft. Luenne Coelho, Reefaire)

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