DiscoverThis Green EarthThis Green Earth | August 5, 2025
This Green Earth | August 5, 2025

This Green Earth | August 5, 2025

Update: 2025-08-05
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Marine biologist and author Helen Scales shares more about how shells are shaped with her new book, "What the Wild Sea Can Be." Then, Sam Bloch comes on to shed light on his book, "Shade: The Promise of a Forgotten Natural Resource."
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This Green Earth | August 5, 2025

This Green Earth | August 5, 2025

Claire Wiley, Chris Cherniak