A full day of sunshine
Rises at 7:17 AM with 9:37 of sunlight, then sets at 4:54 PM
Rises at 8:16 PM with 13:36 of moolight, then sets at 9:52 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.