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The biggest threat to mankind. What will end the world as we know ?

Does the world need to be saved ? Are we heading toward an inevitable extinction ? will that be a new generation bomb ? or will it be pollution ? will it be depletion of natural resources ? or will the machines be our killers as it is suggested in many sci-fi stories ?

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  • Jul 13 2012: I would have to guess, War; Starting with natural resources, and ending with a bunch of Nukes!

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