Rises at 7:20 AM with 10:17 of sunlight, then sets at 5:37 PM
Rises at 12:01 PM with 12:04 of moolight, then sets at 12:05 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.