January 25, 1995 - Midday presents Carl Sagan speaking to the Commonwealth Club of California on who we are and where we stand in the universe. He introduces his book Pale Blue Dot: A Vision of the Human Future in Space.
January 5, 1990 - Carl Sagan, author and astrophysicist, speaking at a Washington D.C. conference co-sponsored by the AMA National Initiative for Science and Technology. Sagan’s address was titled "Education: Strategies for Change," and dealt with the dangers of a scientifically illiterate population.
June 26, 1982 - Cornell professor and author Carl Sagan, U.S. Senator Gary Hart (D-Colorado), and the Reverend William Sloane Coffin, Jr. discuss how to prevent nuclear war. Audio was recorded at a teach-in at Cornell University in November 1981.