Episode Details

An 82-year-old PhD biologist, Judy Brook, dedicates her Wednesdays to monitoring toxic blue-green algae in Lake Champlain’s Shelburne Bay—driven not by money, but by love for water and nature. She even changed her name to “Brook” after divorce, honoring her aquatic passion. Beyond sampling, she’s knitted a stunning, color-coded scarf mapping the lake’s freeze history since 1816—each hue marking when ice formed or didn’t. With the lake freezing in February this year (last full freeze: 2019), her scarf is a vivid, wearable testament to climate change, designed to be displayed for future generations to witness how our waters are changing.

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