Ecotourism. Yet another green term you've seen floating around, but that nobody ever really explains. In this episode of The Cliff's Edge, you'll learn how ecotourism is different from your run-of-the-mill tourism, how it has both helped and hurt threatened ecosystems, what the human cost can be, and a few tips on how to be a successful ecotourist yourself. Remember, the golden rule of travel is: Don't be a jerk.