Name: Watch A Dialogue: A Conversation with Carl Sagan and Ted Turner
Uploaded: 1989-11-01
Duration: 44 min
Description: Updates a number of themes from the Cosmos television series. Turner and Sagan discuss issues that are vital to our survival: pollution, the greenhouse effect, and nuclear weapons. Dr. Sagan explains the benefits of our space program and th

A Dialogue: A Conversation with Carl Sagan and Ted Turner

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