The podcast for engineers, founders, and curious minds who want to understand how sustainable materials are reshaping industry. In each episode, I sit down with CEOs and innovators building the future of green manufacturing, circular design, and materials science If you've ever wondered what engineering actually looks like, this is your deep dive.
Follow @materialsdeepdive on Instagram and TikTok to get some behind the scenes and bloopers of the podcast.
Polyurethane Should Be Banned From Fashion? (ft. Liz Unikowski, Sustainability Consultant)
As a sustainability consultant, Liz Unikowski has spent 15 years untangling fashion's supply chains (from leather traceability to bio-based materials) and she says one popular shoe component quietly wrecks even the most durable footwear.
- How polyurethane insoles can cut a 30-year leather shoe's life down to two
- The "cradle to cradle" framework, and why a biological circular lifecycle is nearly impossible to scale affordable
- Why a $10 shirt can never actually cover its true cost
- The EU's Digital Product Passport and eco-design regulation
- Why natural dyes aren't used in fast-fashion volume
- Brazil's smallholder cotton cooperatives and their peer-audited "participative certification" system
Recommendations:
- Interview with Laura McDermott (https://open.spotify.com/episode/2oRfRivuRLtP4B1xMGRGkC?si=QAsiyGK9QGCNKK2Cp_pTgg)
- Water Bear (https://www.waterbear.com/) (streaming platform for sustainability documentaries)
- River Blue (https://riverbluethemovie.eco/)
- The True Cost (https://www.youtube.com/watch?v=rwp0Bx0awoE)
- Estou me guardando para quando o Carnaval chegar
- The Story of Stuff by Annie Leonard
Follow the podcast on Instagram (https://www.instagram.com/materialsdeepdive/) and TikTok (https://www.tiktok.com/@materialsdeepdive) @materialsdeepdive, and check out our Youtube channel (https://www.youtube.com/@MaterialsDeepDive).
Liz Unikowski is a sustainability and innovation consultant with over 15 years of experience across the fashion and footwear industry. Her work has spanned leather traceability, textile waste, and bio-based materials, in projects with both international companies and NGOs. She began her career as a footwear designer before moving into circularity and social innovation, and later worked with Textile Exchange on a supply chain traceability pilot, giving her a rare end-to-end view of how fashion's materials move from raw fiber to landfill.
You can reach Liz through her LinkedIn (https://www.linkedin.com/in/liz-unikowski-sustentabilidade-esg/).
15 Aug 2026
Rare Earth-Free Magnets Made From Steel Waste and Ammonia (ft. Jake Brown, from Niron Magnetics)
Niron Magnetics Senior Applications Engineer Jake Brown discusses how iron nitride magnets made from steel waste challenge rare-earth dominance in motors, offering efficiency gains and supply chain independence.
22 Jul 2026
From a Burping Cow to Carbon-Negative Solution: Turning Methane Into Biopolymer (ft. Mark Herrera, CEO of AirCarbon)
Host interviews Mark Herrera, CEO of AirCarbon, exploring how methane emissions transform into biopolymers, offering a sustainable material solution.
Who has been a guest on Materials Deep Dive
Names identified in recent episode analyses. Showing up to five guests.
Jake Brown
Mark Herrera
Brenda Palomino
Laura McDermott
Eylül Er
Reach and audience
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Apple Podcasts (US)
5.0 / 5
1 ratings
Spotify
4.2 / 5
10 ratings
Podcast Authority Score: 50 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
Quality
87
Social presence
0
YouTube
0
Engagement
31
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