Lewis Feldman, UC Berkeley professor of plant biology and executive director of the UC Botanical Garden, explores why some leaves appear to change color in the fall season — exhibiting reds, oranges and yellows — and the environmental influences that affect the brilliance of these colors. He also explains the evolutionary benefits of a tree losing its leaves.

Listen to the episode and read a transcript on Berkeley News.

(UC Berkeley photo by Keegan Houser)

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