Rises at 7:40 AM with 8:52 of sunlight, then sets at 4:32 PM
Rises at 4:25 PM with 15:10 of moolight, then sets at 7:35 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.