Clouds giving way to some sun
Rises at 7:35 AM with 9:59 of sunlight, then sets at 5:34 PM
Rises at 12:22 AM with 12:00 of moolight, then sets at 12:22 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.