Discussing the book "Time bomb" with the author Peter Van der Linde.

Dr. Alan Solem, a malacologist, and Dr. John Engle, a bryologist, from the Field Museum discuss a research trip they plan to take to Australia. The two doctors also discuss climate and ecology in the Americas and in Australia. Dr. Solem will be researching land snails and Dr. Engel moss and liverworts.

Sam Lovejoy discusses the opposition to nuclear power, the Clamshell Alliance, politics, environmental concerns, and anti-nuclear sentiments and movements.