How Humanity Could Go Extinct Before 2100

7 / 9
7 / 9

#3. War

Risk of Extinction: 4%

Nobody can foresee what will spark the next world war, but we do know that our ability to wage it has shifted radically since the last one. Worldwide arsenals have grown significantly more advanced, bolstered with nuclear weapons, bioweapons, and other deadly tools. One would hope that leaders would have the wisdom not to unleash such devastating creations, but war has a way of altering mindsets.

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