During this time of year, many people enjoy the spectacle of fall color change. Often overlooked is the reason leaves change color and fall.
Before exploring these questions, there must be a basic understanding of the changes within the leaf and their function.
According to the U.S. Forest Service, leaves are nature’s food factories. Plants take water from the ground through their roots and carbon dioxide from the air. Plants use sunlight to turn water and carbon dioxide into glucose, a kind of sugar used as food and as a building block for growing.