A Weekend to Change the Course of History. That is how the call-to-action for the People’s Climate March taking place this coming Saturday, September 21, begins. The appeal goes on to suggest the weekend will be used “to bend the course of history.” This raises some questions critical to climate movements. How do we make that bend? And in what direction? In other words, what understandings and methods of social change inform the New York mobilization, and where do we want it to lead? These are urgent questions. The scale of the New York mobilization and the concentration of resources for the march demands that we put such questions firmly on the table.