Why do leaves change colors

Trees respond to the decreasing amount of sunlight by producing less and less chlorophyll. Less sunlight. ChaCha!

Along with the green pigment are yellow to orange pigments, carotenes and xanthophyll pigments which, for example, give the MORE

During winter, there is not enough light or water for photosynthesis. The trees will rest, and live off the food they ...More?

Sunlight and cool nights of autumn cause leaves to turn glucose into a red color. Brown is made from wastes left in the leaves.