Businessman, environmentalist, and author Paul Hawken has founded several companies and written several books, including the bestsellers Growing a Business and The Ecology of Commerce, as well as Seven Tomorrows and The Next Economy. Hawken also produced and hosted a 17-part PBS TV series, now shown in more than 115 countries, based on Growing a Business. He currently serves as chairman of The Natural Step, an educational foundation that assists world government and business leaders in achieving long-term competitive advantage through environmental sustainability. He is presently writing Natural Capitalism: The Coming Efficiency Revolution (New York: Hyperion Press, 1998) with Amory and Hunter Lovins.