What are plastics and how are they made? How do they get into our waterways? How do novel materials like plastics define the age we live in? What materials might replace them? Featuring Nicole Heller, Curator of Anthropocene Studies at Carnegie Museum of Natural History, and Heather Hulton VanTassel, Executive Director of Three Rivers Waterkeeper. Encounter nurdles, small plastic pellets, mentioned in this episode in the exhibition The Stories We Keep: Bringing the World to Pittsburgh.

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