Sun giving way to increasing clouds
Patchy clouds and cold
Rises at 7:19 AM with 10:07 of sunlight, then sets at 5:26 PM
Rises at 1:46 PM with 13:10 of moolight, then sets at 2:56 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.