From the Program in Global Public Health and the Common Good and the Global Observatory on Pollution and Health, Boston College, Chestnut Hill, MA (P.J.L.); and the Rollins School of Public Health, Emory University, Atlanta (R.A.L.). Dr. Landrigan and Dr. Lemen are former senior officials of the National Institute for Occupational Safety and Health, where Dr. Lemen served as deputy director. Dr. Lemen is a retired assistant surgeon general, U.S. Public Health Service.