Travel

January, 1997

Listen to the EcoYou might say that John F. Kennedy created ecotourism when he launched the Peace Corps more than 30 years ago. Now "volunteer vacations" are the fastest-growing segment of the tourism industry, a chance to visit exotic places and also give something back to the planet. Earthwatch, the largest organization of this kind, currently offers more than 130 "expeditions" to 50 countries. You can hunt for artifacts in Kentucky's Mammoth Cave ($695), document the behav...