"If we want an energy system that is affordable and safe, lifts up the marginalized, and creates good union jobs, then we need to put it in the hands of the people. Organize or Burn tells the story of a successful campaign to expand the public sector's role in renewable energy, which I was proud to support during my time in Congress. Led by NYC-DSA and allies in environmental justice and labor, their achievement holds crucial lessons for organizers around the world." - Jamaal Bowman, educator and former member of US Congress (NY-16)) "Organize or Burn is a pathbreaking and riveting ethnographic account of grassroots climate politics. In New York City, as Fabian Holt shows, DSA organizers built a 'movement party' from the ground up, confronted entrenched elites, and won historic Green New Deal legislation. A must-read for anyone interested in how democratic organizations can build popular power, take on the powerful interests that profit from the climate crisis, and win a sustainable future for all." - Thea Riofrancos, author of Extraction: The Frontiers of Green Capitalism "This fascinating ethnography demonstrates how socialism can be pursued, even in the face of rising fascism, economic inequality, and ecological degradation, through the combination of movement and party politics. Holt's analysis of the socialist movement in New York City uncovers the powerful potential of organizational innovation in the development of a movement party." - Donatella della Porta, author of How Social Movements Can Save Democracy