Rises at 6:34 AM with 10:09 of sunlight, then sets at 4:43 PM
Rises at 8:45 PM with 13:03 of moolight, then sets at 9:48 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.