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

A sprawling conversation with R. Buckminster Fuller including his great aunt Margaret Fuller, future communication, the nature of work, human nature, and physics.

Abram Chayes, Professor of International Law at Harvard University, discusses the United States’ foreign relations with Nicaragua and the International Court of Justice, also known as the World Court.

Discussing the book "Who Owns America?" and interviewing the author Walter J. Hickel, who became Governor of Alaska and Secretary of the Interior.

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

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

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

Anti-war activist Don Luce and Doan Hong Hai, a visiting student from a village near Saigon, talk about the bombing and defoliation of Vietnam.*Please note: some sections have been edited out from the original recording due to copyright considerations