Paul G. Hawken is an American environmentalist, entrepreneur, activist, and author of the books The Ecology of Commerce, Natural Capitalism, Blessed Unrest, and Drawdown. He also hosted and produced the 17-part PBS series, Growing a Business, which focused on operating socially responsible businesses. He is currently working on a new book entitled 'Regeneration; Ending the Climate Crisis in One Generation,' set to be published in September, 2021. Visit Barnes & Noble to learn more about Paul Hawken's book Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming.