How to Keep Vacation Trips Green
Getting There Greener, published recently by the Union of Concerned Scientists, is a comprehensive analysis—peer-reviewed by experts—of the highest-carbon and lowest-carbon options for vacation travel. The analysis shows that three key factors determine the environmental impact of travel: the type of vehicle, the distance to be traveled and the number of people traveling. Based on these factors, this guide can tell you how environmentally sound (or perhaps unsound) your travel plans are. (Prepare to be surprised.)
Download the guide from ucsusa.org.