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Why do scientists believe the human race could become extinct during this century?
Asked by chesspiece (279)
December 14th, 2009
Some scientists (John Leslie, Martin Rees, Richard Posner, Nick Bostrom) have said that the human race has a 50% chance of becoming extinct during this century.
I haven’t read enough to understand this argument.
Is the environment the main reason or are there other possible reasons?
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