1.) Host Bruce Robertson with Harvard chemist James Anderson about NASA recent discovery of an ozone hole over the U.S. 2.) Robertson talks with Anthony Fogelsberg of Dupont about the company's plan to halt production of ozone depleting CFC's. 3.) Bob Rija talks with members of the Citizens Advisory Board of Conoco, a subsidiary of Dupont, about environmental initiatives the company is taking. 4.) Robertson talks with researcher Terry White about his new project that involves using microwave rays on radioactive waste.