Intervals of clouds and sun
Rises at 7:04 AM with 8:56 of sunlight, then sets at 4:00 PM
Rises at 12:11 PM with 13:01 of moolight, then sets at 1:12 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.