1.) Host Peter Berle talks with Carol Browner of the Environmental Protection Agency about the health effects of air pollution. 2.) Thomas Lalley talks with Dr. Jeffrey Mount, a professor of geology, about the effects of flood control measures. 3.) Stephanie Goitchman talks with microbiologist John Fagan about genetically altered soybeans. 4.) In the segment Portrait of a Place author Kent Nerburn reads reads from his book "A Haunting Reverance: Meditations on a Northern Land". 5.) In the Earth Calendar segment professor of biology Phillip Lobelle discusses fish spawning. 6.) Berle talks with chief of U.S. Forest Services Mike Dombeck. 7.) In the segment Talking Green Berle talks with Tom Lint, project coordinator of the Berkeley co-housing poject and architect Bruce Coldum about co-housing. 8.) Lalley talks with Priscilla and Barton McLean about the use of natural sounds in their musical group, the McLean Mix.