1.) Host Bruce Robertson discusses the recent addition of the Northern spotted owl to the threatened species list and the decision to preserve its habitat. Robertson interviews proponents on both sides of the issue. 2.) Next, Sheldon Rothberg reads a poem by Richard Wilbur. 3.) Robertson shares an interview with Dr. Edward Wilson, a biologist, about his belief that the mass extinction of species is the greatest environmental threat. 4.) Joy Newell talks with David Kramer from the Environmental Literacy Group, about his recent project that will help schoolchildren become more aware of environmental issues.