Leaves Autumn officially begins tomorrow, and there have been anecdotal reports that leaves are turning early this year. Host Howard Berkes talks to U.S. Forest Service plant physiologist Paul Schaberg about the chemical changes behind fall's fabulous display.
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Leaves

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Leaves

Leaves

Leaves

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  • <iframe src="https://www.npr.org/player/embed/1150422/150422" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Autumn officially begins tomorrow, and there have been anecdotal reports that leaves are turning early this year. Host Howard Berkes talks to U.S. Forest Service plant physiologist Paul Schaberg about the chemical changes behind fall's fabulous display.