Paul Hawken is an environmentalist, entrepreneur, author and activist who has dedicated his life to environmental sustainability and changing the relationship between business and the environment.

He is the author of Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming. The book is based on the work of researchers from around the world who identified, researched and modeled the 100 most substantive, existing solutions to address climate change. What was uncovered is a path forward that can roll back global warming within thirty years. It shows that humanity has the means at hand. Nothing new needs to be invented.