Rises at 7:40 AM with 9:40 of sunlight, then sets at 5:20 PM
Rises at 1:15 PM with 12:55 of moolight, then sets at 2:10 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.