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Baker Lake is surrounded by Fall colors on October 8, 2022 near East Bolton, Quebec, Canada. SEBASTIEN ST-JEAN / AFP via Getty Images hide caption

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SEBASTIEN ST-JEAN / AFP via Getty Images

When Autumn Leaves Start To Fall

Botanist and founder of #BlackBotanistsWeek Tanisha Williams explains why some leaves change color during fall and what shorter days and colder temperatures have to do with it. Plus, a bit of listener mail from you! (Encore)

When Autumn Leaves Start To Fall

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