Catastrophic events such as the Bhopal, India tragedy and rising incidences of cancer in areas neighboring industrial facilities have heightened concern over the use of toxic chemicals in manufacturing and industry. Based on the authors” research conducted in Sao Paulo, Brazil, this book explores the history of toxic chemical release reporting programs, presents data on the toxicity of chemicals currently in use, discusses variables that contribute to the relative toxicity of a substance, compares existing programs for reducing environmental threats, and provides specific recommendations for reducing or eliminating the use of toxic chemicals.