Becoming clear and cold
Rises at 7:22 AM with 9:43 of sunlight, then sets at 5:05 PM
Rises at 5:42 PM with 14:22 of moolight, then sets at 8:04 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.