In this book, Paul Hawken and his team outline their ambition: to achieve the reversal of global warming within a single generation. Through an original cross-disciplinary approach and the mobilization of a vast range of fields, they identify a myriad of on-the-ground actions that all contribute to an emerging movement of "regeneration" of the climate, life, and human societies. These projects explore concepts such as bioregions, zero-carbon cities, fifteen-minute cities, decarbonized architecture, geothermal energy, and agroecology, among others.