Every year, the Earth paints landscapes with beautiful fall foliage. Green leaves turn to hues of orange, red, yellow, and tan. But you might be wondering, why do leaves change color in the fall? What’s the science behind it? Trees work throughout the spring and summer to produce and conserve energy in a process called photosynthesis. As fall and winter approaches, the weather changes and days become shorter. To learn more, check Outforia's latest article!