E79: Cocoon Carbon: fixing the unintended consequences of decarbonization


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Mar 06 2025 35 mins   109

This week on Everybody in the Pool, host Molly Wood talks with Eliot Brooks, founder and CEO of Cocoon Carbon, about an unexpected climate tech challenge: how decarbonizing steel production is disrupting concrete's path to net zero. Brooks explains how his startup transforms problematic steel slag from modern electric arc furnaces into valuable materials that reduce concrete's carbon footprint while cutting costs.


Key Takeaways:

  • Learn how steel's shift to cleaner production methods has unintentionally limited concrete's access to low-carbon materials
  • Discover how Cocoon Carbon's modular technology transforms waste into valuable cement alternatives
  • Understand why addressing interconnected industrial challenges creates powerful climate tech opportunities
  • Find out how this solution makes decarbonization more affordable for both industries, representing 15% of global emissions


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