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Nobel Prize Winner Says Nuclear Risk Gives Us 35 Years Left on Earth

Nobel Prize Winner Says Nuclear Risk Gives Us 35 Years Left on Earth

Summary

Nobel Prize-winning physicist David Gross warned that the risk of nuclear war could limit human survival on Earth to about 35 years. He based this estimate on a yearly chance of nuclear conflict around 2 percent, higher than previous estimates, due to rising global tensions and the lack of new arms control treaties.

Key Facts

  • David Gross won the Nobel Prize in physics in 2004 for work on quarks, fundamental particles.
  • He recently received a $3 million Special Breakthrough Prize for his lifetime contributions to physics.
  • Gross estimated about a 2 percent chance each year of nuclear war occurring, which could mean an average of 35 years before such a conflict happens.
  • This risk level is higher than the 1 percent chance per year estimated right after the Cold War.
  • The increased risk comes from ongoing wars, nuclear tensions in places like Europe, Iran, India, and Pakistan, and the failure to create new nuclear arms-control agreements in the past decade.
  • There are currently nine nations with nuclear weapons, complicating global security compared to the Cold War era with two main nuclear powers.
  • The involvement of automation and artificial intelligence in controlling weapons adds new risks.
  • Gross emphasized that nuclear war is not inevitable and that diplomacy and communication between countries can reduce the risk.
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