If there are so many inhabitable planets in the universe, why haven't we made contact with other civilizations? One terrifying answer is that very few civilizations are able to create world-altering technology without also killing themselves off in the process.
This monologue episode introduces the concept of Great Filter Events through the work of Dr. David Grinspoon's outstanding book, Earth in Human Hands: Shaping Our Planet's Future.
Go read it, and listen to the shows I've done with David Grinspoon in the past! Links below.
“The real problem of humanity is the following: We have Paleolithic emotions, medieval institutions and godlike technology. And it is terrifically dangerous, and it is now approaching a point of crisis overall.”
― E. O. Wilson
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Resources
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Earth in Human Hands: Shaping Our Planet's Future by Dr. David Grinspoon
47: David Grinspoon, Astrobiologist
Geology Cage Match: The Sapiezoic vs. the Anthropocene
S2E15: Are you a wizard or a phophet?—w/ Charles C. Mann
Search for Extraterrestrial Intelligence (SETI)
Geologic time scaleGreat Filter