Scientists inch catastrophic Doomsday Clock closer to midnight

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The Bulletin of Atomic Scientists inched its Doomsday Clock 30 seconds closer to midnight on Thursday morning.

Humanity is edging closer and closer to annihilation, scientists say.

The Bulletin of Atomic Scientists has moved the minute hand on its Doomsday Clock 30 seconds closer to midnight, which represents the organization's view of the "probability of global catastrophe."

In making the adjustment, the organization cited the growing threat of climate change, heightening tensions between the United States and Russia and nuclear proliferation.

For the last two years, the minute hand has been set at three minutes to midnight, but it now sits two and a half minutes away, the closest designation in nearly three decades.

"Wise public officials should act immediately, guiding humanity away from the brink. If they do not, wise citizens must step forward and lead the way," the organization said in a statement.

The decision to move the clock's time is made by the group's science and security board, in consultation with its board of sponsors, which includes 15 Nobel laureates.

ABC News contributed to this report.
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climate changenuclear weaponsscienceWashington DC
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