Paul Hawken is a world-renowned environmentalist, journalist, author, and entrepreneur. Starting at the tender age of 20, he dedicated his life to sustainability and changing the relationship between business and the environment. His practice comprises writing and teaching about the impact of commerce on living systems. An eminent activist, Hawken founded ecologically-conscious businesses and consulted with governments and corporations on economic development, environmental policy, and industrial ecology. He has written several books including four national bestsellers.