Kai Bosworth. Photo: Annabelle Marcovici. In his new book, Pipeline Populism: Grassroots Environmentalism in the Twenty-First Century, scholar Kai Bosworth investigates the rise of environmental populism alongside the Indigenous-led protests of the Keystone XL and Dakota Access pipelines. In showing how anti-pipeline struggles grew to include broader coalitions of protesters, Bosworth digs into the motivations of the rural white settlers involved in these struggles, discussing different notions of property, the desire for autonomy, and ties to place and community. But he warns that mass participation itself should not eclipse decolonization and defunct pipelines as political aims. Instead, Bosworth argues