In the late 1970s Chip Ward and his wife left the Sleeping Rainbow Ranch in Capitol Reef National Park to raise their children in the classic small-town American setting of Grantsville, Utah. There, on the edge of the Great Basin Desert, disturbing tales of local sickness and death interrupted an idyllic life. A seven-year quest to understand a hidden history of ecocide followed. Canaries on the Rim is Ward’s firsthand account of that quest and...