49 Ethical Travels on a Green Planet

Does travel have to be bad for the environment? Does eco-tourism really help the planet -- or just hurt it less? What's an ethical traveler to do? On this week's Travel with Rick Steves we'll discuss the goals and impacts of eco-tourism with Jeff Greenwald of of Ethical Traveler dot org, and ponder the future of some noteworthy "Vanishing Places" on our planet with travel writer Michael Shapiro.