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The Science Behind Fall Foliage and Changing Leaf Colors
Original: Discussing fall foliage, and the science behind leaves changing colors
Fall foliage season is underway, and attention is turning to why leaves change color. As days shorten and temperatures drop, chlorophyll breaks down, revealing yellow and orange pigments while some trees produce red anthocyanins. Coverage explains that weather factors such as sunlight, rain and temperature swings shape how vivid the display is each autumn, drawing viewers to parks and scenic routes.
Why now: It is autumn foliage season, and people are curious about the science and conditions driving this year's leaf colors.
Evidence
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