Urgently convene a summit to discuss the implications of resumed nuclear testing and explore pathways to reinforce existing arms control agreements.
Nuclear War
Nuclear War Risk
Assessment for this date
The current nuclear threat level is elevated due to potential resumption of nuclear testing by major powers and ongoing modernization of arsenals amidst weakening arms control frameworks.
December 10, 2025
Trend
Viewing the record for December 10, 2025 within the full trend.
Risk Drivers
What is pushing the current reading.
The recent announcements by the U.S. to potentially resume nuclear testing, coupled with similar threats from Russia, mark a significant departure from decades of nuclear restraint and arms control efforts. This development, alongside China's nuclear arsenal expansion and modernization, signals a shift towards a more competitive and less predictable nuclear environment. The breakdown of key treaties and reduced diplomatic communication channels further exacerbate the risk of miscalculation or escalation, while emerging technologies such as AI in nuclear command and control systems introduce new uncertainties. These factors collectively contribute to a heightened global nuclear threat level, reminiscent of Cold War-era tensions but with added complexities of modern technology and geopolitics.
Risk Reduction Actions
Priority actions generated from the current analysis.
Strengthen diplomatic channels and crisis communication mechanisms between nuclear-armed states to reduce the risk of accidental escalation.
Increase public awareness and advocacy efforts to pressure governments into recommitting to nuclear non-proliferation and disarmament treaties.
Enhance training and protocols for nuclear command and control to account for emerging technologies and potential cyber vulnerabilities.
Invest in research and development of verification technologies to support future arms control and non-proliferation agreements.
Sources Monitored
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Selected Articles
Supporting articles referenced in the latest score.
- The Fragile Ban on Nuclear Weapons Testing Publisher: Energy Intelligence
- Trump says he wants to resume nuclear testing. Here's what that would mean Publisher: NPR
- Trump directs Pentagon to match Russia and China in nuclear weapons testing Publisher: The Guardian
- Trump instructs Pentagon to start testing nuclear weapons ‘on an equal basis’ with Russia and China Publisher: CNN
- Could China’s New Nuclear Weapons Signal a New Era of Arms Control? - The Equation Publisher: Union of Concerned Scientists