Presenting a debate over nuclear energy

In a their man-made raft, Hesselberg and his crew travelled 4300 sea miles out in the open water. Erik Hesselberg talks about navigating the three-month long expedition on the Kon-Tiki from South America to French Polynesia. Hesselberg said everyone should have such an experience as he did, to be unencumbered while out at sea.

Discussing the film "Silkwood" a movie about Karen Silkwood and the circumstances surrounding her death with movie producer Buzz Hirsch.

Bill McKibben, author and environmentalist discusses his book "The End of Nature." McKibben talks about climate and weather, greenhouse gasses, fossil fuels, chlorofluorocarbons, and carbon dioxide. He also explains how climate change could damage the ecosystems including birds. He ends the interview discussing what can be changed such as solar power.

Oria and Iain Douglas-Hamilton discuss their lives among the elephants at Lake Manyara National Park in Tanzania. They talk about the elephant life-cycle and the elephant social behavior. The two also discuss conservation and preservation of elephants across Africa.