2.6K views · 170 reactions | Carl Sagan " Generational Climate Change Problems" (Testifying before Congress 1985) ❤☮ #carlsagan #climatecrisis #environment | Saganism | Facebook
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16K views · 1K reactions | 85 years ago today, our co-founder Carl Sagan entered this world and changed the way we think about our place in the universe. | The Planetary Society | Facebook
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Carl Sagan Warns Congress about Climate Change (1985)
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