Car Sharing Network offers an excellent introduction to car sharing. It includes a database of existing car sharing programs, online discussion groups, media articles, and other resources.

Crooked Trails is a community-based, nonprofit travel organization that sponsors eco-tours to developing countries. Visits to other countries include participation in the daily life of indigenous peoples-their work and culture. The programs are designed to facilitate cultural exchanges that allow visitors and hosts to share in each other's lives.

The International Ecotourism Society was founded in 1990 to foster a synergy between outdoor travel entrepreneurs, researchers, and conservationists. Its goal is to assist professionals who want to make ecotourism a genuine tool for conservation and sustainable development. It offers many resources, including a speaker's bureau, research library, and a membership network.

Servas is an international, nonprofit peace organization in which travelers and hosts share their daily lives with people from other cultures. The focus of the program is cultural exchange and mutual learning.

World Tourism Organization, an intergovernmental organization vested by the United Nations, serves as a global forum for tourism policy issues and a practical source of tourism know-how and statistics. Its central and decisive role is to promote the development of responsible, sustainable, and universally accessible tourism.

Asphalt Nation: How the Automobile Took over America, and How We Can Take It Back by Jane Holtz Kay (Berkeley: University of California Press, Reprint 1998). Examines the growth of automobile use in America and its impact on our culture, the environment, and the economy. Kay also suggests economic, political, architectural, and personal solutions to "car glut."

A Journey of Work-life Renewal: The Power to Recharge & Rekindle Passion in Your Life by Bonnie Michaels and Michael Seef (Evanston, IL: Managing Work & Family, Inc., 2003). Memoir of one couple's experience of taking a year off work to travel the world. The authors discuss the personal transformational aspects of their journey and offer suggestions for how to create enriching travel opportunities.

Volunteer Vacations: Short-Term Adventures That Will Benefit You and Others by Bill McMillon, Doug Cutchins, and Anne Geissinger (Chicago: Chicago Review Press, 8th edition, 2003). Resource guide for volunteer vacations that offer culturally enriching, service-oriented travel experiences. Includes profiles of over 200 organizations.