Carl Sagan Quotes
If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?
Topics
Conservation
Survival
Earth
Self-Preservation
Speak
Earth Preservation
Ecological Awareness
Ecological Responsibility
Environmental Activism
Environmental Advocacy
Environmental Responsibility
Global Conservation
Nature Preservation
Planetary Stewardship
ecosystem conservation
Earth Protection
Environmental Commitment
Planetary Care
Citations
Sagan, Carl. Cosmos. Random House, 1980, p. 330.
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Carl Edward Sagan was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space: the Pioneer plaque and the Voyager Golden Record, universal messages intended to be understood by any extraterrestrial intelligence that might find them.