Videos

Senators on the Agriculture and Nutrition subcommittee heard from several witnesses concerning the state of school lunch programs. They discussed the present and future of these programs, es…

Professor and Astronomer Carl Sagan talked about various aspects of the American space program, including satellite policies, research in space on the environment, the future of manned spac…

Dr. Sagan discussed his new book, A Path Where No Man Thought, in which he reviews the threat of nuclear winter and the arms race.

The Environmental Protection Association held a conference entitled “Caring for Creation”

Carl Sagan and others addressed the Interparliamentary Conference on the Global Environment. It was the first U.S.-sponsored conference of legislators to focus on the global environment and …

A panel of experts discussed the international agenda for space exploration.

The full title of the debate is “Is the Strategic Defense Initiative in the National Interest.” The debate came three weeks before the December 7, 1987 Reagan-Gorbachev summit at which the …

Witnesses testified on how the greenhouse effect will change the global climate system and possible solutions.

Witnesses testified on the effects of atmospheric debris from a nuclear detonation would have.

Carl Sagan talked about reducing the risks of nuclear war. Other topics included space exploration. After his speech, he answered questions submitted by members of the audience.