John Warner is one of the founders of the field of green chemistry and has been named one of the 25 Visionaries Changing the World by Utne Reader. After a brief introduction to the nascent field of Green Chemistry, Dr. Warner will share his ideas for improving how we evaluate the toxicity of artificial chemicals, to make it easier for the general public to decide which chemicals to allow into our foods, our possessions, and our environment. High school ages and over.