Nuclear physicist, Dr. Leo Seren, discusses atomic fission and nuclear experiments.

Interviewing George Wald, biologist and philosopher, on the hazards of pollution, the environment, and peace. Wald talks about his speech at MIT "A Generation in Search of a Future".

Oceanographer Jacques Cousteau discusses man's effect on the planet. Includes a clip with whale sounds and statements by Joan McIntyre.

Captain Cousteau talks about his book and the environmental movement in the United States and elsewhere.

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

Biologist and author Barry Commoner discusses his book "The Poverty of Power: Energy and the Economic Crisis."

Discussing the book, "The Closing Circle: Confronting the Environmental Crisis," and interviewing the author, Dr. Barry Commoner.

Bob and Joan Ericksen, both educators, artists, and environmental ecologists, discuss the literary work of Peter Weiss' "I Come Out of My Hiding Place" and environmental ecology. Excerpt of Peter Weiss reading from "I Come Out of My Hiding Place." The book speaks of why he writes and why he pursues his art (unknown source). The interview ends with a reading by Studs of an excerpt fro, Gustav Meyrink's "The Green Face."

Interviewing astronomer David Schramm.

Discussing the dangers of nuclear power and the effects of radioactive pollution with biologist Dr. Carl Johnson and biophysicist Dr. Ed Gogol.

Interviewing Dr. George Wald, Professor of Biology at Harvard University, who often spoke on the social aspects of science, human ecology, and the environment.

Dr. William Beecher, Chi Academy of Sciences, Dorothy Buell, member of Dunes council, Tom Dustin, head of Indiana Issac Walton League, and Thelma McVey, head of the Sierra Club Midwestern, discuss why the Indiana Dunes National Lakeshore must be saved, and the measures they are taking to do so.

Stuart Chase, John Hawkinson, and Nancy Campbell Hayes discuss the "Save the Trees Program". They discuss saving the trees in Hyde Park. Includes Studs Terkel reading Mike Royko's poem.

Discussion with nuclear physicist and co-director of the program of Science and Technology at MIT, Dr. Kosta Tsipis