Rises at 6:30 AM with 10:10 of sunlight, then sets at 4:40 PM
Rises at 2:13 PM with 13:44 of moolight, then sets at 3:57 AM
Dec 5, 2013; 5:00 AM ET December is a popular month to travel because of the holidays. Some of that travel is not helping the environment. Valerie Smock explains which mode of transportation is best for the Earth.