Describes how methods of transportation add to global warming, introduces theoretical and current technology that reduces carbon emissions of vehicles, and explores how individuals can produce less carbon dioxide as they travel.Title: How Big Is Your Travel Footprint?Author: Mason, PaulPublisher: Marshall Cavendish CorpPublication Date: 2009/09/01Number of Pages: 32Binding Type: LIBRARYLibrary of Congress: 2008048104