Fertilizers: A Long History of Risky Business
Last night, a fire at a fertilizer plant near Waco, Texas exploded as firefighters worked, flattening the town and killing an unknown number of people. Onlookers described the plume as like a mushroom cloud; the blast was felt 40 miles away. How did this happen? Why a fertilizer plant? What kind of safety precautions exist to prevent such disasters? We attempt to explain.