Paul Hawken is an environmentalist, entrepreneur, journalist, and author. Starting at age 20, he dedicated his life to sustainability and changing the relationship between business and the environment. He is author and co-author of dozens of articles, papers, and six books including Growing a Business (Simon and Schuster 1987), and The Ecology of Commerce (HarperCollins 1993) and Natural Capitalism: Creating the Next Industrial Revolution (Little, Brown. September 1999). Natural Capitalism is published in fourteen languages and has been read and referred to by several heads of state including President Bill Clinton. His most recent book is Blessed Unrest (Viking Press 2007).