Carl Sagan: La Humanidad Frente a su Propia Destrucción | Entrevista Completa en Español

Astronomer and science communicator Carl Sagan analyzes the major risks facing humanity, such as the nuclear arms race, nuclear winter, global warming, and the depletion of the ozone layer. He explains why these problems require international cooperation and reflects on the role of citizens and science education in political decision-making. He also addresses topics such as space exploration, the search for extraterrestrial life through the SETI program, the theory of time travel, and the origin of life on Earth, offering a broad perspective on science, society, and the future of the planet. This video is a Spanish-dubbed version of a 1989 interview with Carl Sagan. The content has been adapted to make Sagan's ideas accessible to a Spanish-speaking audience. ==== Support the channel on Patreon:   / universable   FOLLOW or SUBSCRIBE to Universable Twitter:   / universabletv   Instagram:   / universable.tv   TikTok:   / universable.tv   About Carl Sagan: Carl Sagan was an influential American astronomer, astrophysicist, and science communicator, renowned for his ability to make the universe accessible to the public. He was a professor at Cornell University and played a key role in NASA space missions. He participated in the Voyager program, as part of the team that designed the famous Golden Record sent into space as a message from humanity. He is widely known for the Cosmos series and for books such as The Demon-Haunted World, which have inspired generations to become interested in science and our place in the universe. #CarlSagan #Universable Video Episodes 00:00 - Introduction 00:49 - How We Got to This Crisis 03:56 - How Many Weapons Do We Need? 07:57 - Nuclear Winter 12:53 - What We Can Do 15:50 - Benefits of the Space Program 23:25 - Is Time Travel Possible? 26:17 - The Crisis in the Education System 29:21 - Is There Extraterrestrial Life? 33:51 - Carl Sagan on God 35:30 - Citizen Power 41:36 - Conclusion