Terrence Mcnally Podcast

(Originally aired November 2010) According to Scientific American, "Experts guesstimate that about 50,000 chemicals are used in U.S. consumer products and industrial processes. Why the uncertainty? The 1976 Toxic Substances Control Act does not require chemicals to be registered or proven safe before use. Because the Environmental Protection Agency must show, after the fact, that a substance is dangerous, it has managed to require testing of only about 300 substances that have been in circulation for decades. It has restricted applications of five." The harmful side effects of chemicals have long been tolerated in the US as a price of progress and profits. But in the early 1990s a small group of scientists began to think differently. Why, they asked, do we rely on hazardous substances for so many manufacturing processes? After all, chemical reactions happen continuously in nature, thousands of them within our own bodies, without any nasty by-products. Maybe, these scientists concluded, the problem was th