Earl R. Beaver is Chair Emeritus of the Institute for Sustainability (New York) and Managing Partner of Practical Sustainability, LLC (St. Louis). He retired from Monsanto after 30 years of service. In his final position there he was responsible for the development of new environmental technology solutions for Monsanto Company's diverse operations, internal and external advocacy for sustainability and pollution prevention as well as the development of sustainability and eco-efficiency tools. He held numerous positions of increasing responsibility in research, development, environmental and commercial functions during his career with Monsanto. In addition, he is Emeritus chair of the Center for Waste Reduction Technologies. He is a member of the American Chemical Society, a fellow of the American Institute of Chemical Engineers and a Director of the National Environmental Technology Institute. He has authored many publications and patents. In 1994, Dr. Beaver was presented with the Lawrence K. Cecil Award by the Environmental Division of AIChE and the Gary Leach Recognition Award. At Monsanto, he led the successful co-product development program, development and commercialization of air separation membranes (Prism®, Prism Alpha®, and Prism Cactus®), the 90% Air Toxics Reduction Program and the Monsanto $1 Million Challenge Program. Practical Sustainability, LLC focuses on “Practical Tools for Sustainable Development.” Also, he is past chair of the Technical Advisory Committee of the Sustainable Engineering Forum and is a board member of the North American Alliance of Chemical Engineers.