Help the Philippines Typhoon Relief effort
Note: Select a region before finding a country.
Partly to mostly cloudy
Rather cloudy and cold
Partly sunny and warmer
Times of clouds and sun
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.