The North American prairie is home to bison, elk, wolves and bald eagles – and it's disappearing at a rapid rate. In their new book Sea of Grass, writers Dave Hage and Josephine Marcotty chronicle the forces behind the loss of this ecosystem. In today's episode, they join Here & Now's Chris Bentley at a prairie outside of Chicago for a conversation about their research. They discuss the innovations in industrial agriculture that have transformed the prairie to farmland, the ecological consequences of that change, and what could be done to restore parts of the prairie.

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