Windows on the East, West, and South side of your home receive direct sunlight throughout the day and can cause your home to gain unwanted heat. During the colder winter, some of this heat might be welcome, but you definitely want to keep it out during the hot summer. Overhangs and awnings are green building solutions that achieve this result. Plus, nature has another solution that utilizes trees and plants to shade windows. What are the benefits of each of these ideas?