Articles on Nuclear risks

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Revolutionary Guard personnel stand under an Iranian-made unmanned aerial vehicle, the Shahed-136, while participating in a military rally in Tehran, Iran, on Jan. 10, 2025. Morteza Nikoubazl/NurPhoto via Getty Images

Iran’s military forces combine state‑of‑the‑art drones and hackers with out‑of‑date conventional weapons

Knowing what comes next in Operation Epic Fury is better understood by grasping the evolution of Iran’s military structure and capabilities.
View of the United Nations logo at a 2022 conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons. Angela Weiss/AFP via Getty Images)

Military force may have delayed Iran’s nuclear ambitions – but history shows that diplomacy is the more effective nonproliferation strategy

In the majority of cases, diplomacy has played a pivotal role in convincing nuclear-seeking nations to relinquish their pursuit of nuclear weapons.
US-led Operation Dominic saw 24 thermonuclear detonations over Kiritimati between April and November 1962. piemags/Alamy Stock Photo

‘Our nuclear childhood’: the sisters who witnessed H‑bomb tests on their Pacific island and are still coming to terms with the fallout

Manchester mayor Andy Burnham suggests the treatment of nuclear test veterans will be the next major UK public scandal to emerge. But how do the local people of Kiritimati recall these tests?
The war in Ukraine will have major implications for energy and climate change, in Canada and the rest of the world, far into the future. THE CANADIAN PRESS/Frank Gunn

How the war in Ukraine will shape Canada’s energy policy — and climate change

New relationships between energy, geopolitical security and climate change policy flowing from the invasion of Ukraine are beginning to emerge, and the implications could be enormous.
The nuclear power plant in Pickering, Ont., was the subject of a false alarm. (Shutterstock)

The fallout from a false nuclear alarm

A nuclear alarm was issued on Jan. 12, 2020. The alarm had been mistakenly sent during a training exercise and was retracted, but the impact will erode trust in public safety efforts.
A board for the Prussian wargame of ‘Kriegsspiel.’ Matthew Kirschenbaum/Wikimedia Commons

War games shed light on real‑world strategies

War games let you test your political and military acumen right at your kitchen table – while also helping you appreciate how decision-makers are limited by the choices of others.
Workers at Fukushima in January 2018. Behrouz Mehri/AFP

Fukushima seven years later: case closed?

On March 11, 2011, a nuclear disaster struck Japan. Translated testimony by the power plant’s manager reveals how close the world came to a greater catastrophe – and how much there is to be learned.
A detection station for seismic activity at Bilibion, a remote corner of Russia. The Official CTBTO Photostream (Copyright CTBTO Preparatory Commission)

I’ve always wondered: do nuclear tests affect tectonic plates and cause earthquakes or volcanic eruptions?

Human-induced earthquakes have been reported from every continent except Antarctica. We asked a geologist to investigate whether North Korea’s nuclear tests could trigger geological changes.

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