Rises at 7:45 AM with 9:20 of sunlight, then sets at 5:05 PM
Rises at 12:04 PM with 11:54 of moolight, then sets at 11:58 PM
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.