From 9 minutes in 2000, to 100 seconds in 2020, to 85 seconds in 2026 — the Doomsday Clock has tracked humanity's evolving relationship with existential risk across three very different eras.
In 2000, the dominant concerns were nuclear proliferation and US-Russia relations. By 2020, climate and cyber threats had become central. By 2026, AI joins the threat matrix.
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