1) Thomas Lalley talks with Stephen Leatherman, Director of the Laboratory for Coastal Research, and Espen Ronneberg, Minister Counsel from the Marshall Island?s Mission to the United Nations, about the effects of thermal expansion and rising sea levels on coastal areas around the world. 2) Peter Berle talks about nuclear power with Dr. Henry W. Kendall, Nobel Prize winning physicist and Chairman of the Union of Concerned Scientists, and Richard Rhodes, Pulitzer Prizing winning historian and journalist. 3) In The Earth Calendar segment, Peter Berle talks with Duncan Porter, a botany professor from Virginia Tech, about wildflowers in the Appalachian Mountains. 4) Berle talks with Howard Quigley from the Hornocker Wildlife Institute about their attempts to protect Siberian Tigers. 5) Berle talks with Lynn Salder, executive director of the Mountain Lion Foundation, Steve Touris from the California Department of Fish and Game, and Dr. Rick Hopkins, Senior Wildlife Ecologist at Harvey and Associates, about how the expanding human population in California continues to effect mountain lions (cougars). 6) Author Gregory McNamee reads a passage from his book, ?A Desert Bestiary: Folklore, Literature, and Ecological Thought from the World?s Dry Places.? 7) Barb Barton sings, ?Spring Time? from her album, ?From the Eye of the Hawk.?