Intervals of clouds and sun
Rises at 7:27 AM with 10:10 of sunlight, then sets at 5:37 PM
Rises at 2:31 PM with 13:28 of moolight, then sets at 3:59 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.