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

Terkel interviews activist and children's author Dagmar Wilson. She discusses how she goes from a children's author to an activist for anti-nuclear testing.

Terkel interviews folk singer Patrick Sky on his latest project. A 19 minute film entitled "Down the Road" Sky directs and stars in the film about pollution. He describes how he acquired the help of local children to shoot the film and how he got permission from the city to shoot on location.

According to Barry Commoner's book, "Making Peace with the Planet," we, as the human species, are in and are witnessing a war between the ecosphere and the technosphere. Commoner explains that today's cars emit a lot of smog into the big cities. Trucks move consumer goods from place to place, using four times more fuel than trains. Everyone should ask themselves what is their interest in the quality of the environment and that of nature.

Discussing the green revolution and the "modern homestead" and interviewing Mildred Loomis. Mildred Loomis discusses the back to the land movement.

Biologist, natural historian, and author David Attenborough discusses his book and upcoming television series “Life on Earth.” The book, show, and this interview focus on discussing the evolution of life.

A conversation about ecology, with the authors of Saving the Earth: A Citizen's Guide to Environmental Action.*Please note: some sections have been edited out from the original recording due to copyright considerations 

The nature writer discusses his book, Of Wolves and Men, a National Book Award finalist.*Please note: some sections have been edited out from the original recording due to copyright considerations