Why do trees shed their leaves in the fall? Why do trees shed their leaves in the fall? earthsky.org Why do trees shed their leaves? Why do trees shed their leaves in the fall? Why do trees shed their leaves in the fall? Why do trees shed their leaves in the fall? Why do trees shed their leaves in the fall? Why do trees shed their leaves in the fall? Why do trees shed their leaves in the fall? Why do trees shed their leaves? Why do trees shed their leaves in the fall?