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Articles on Nuclear non-proliferation

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U.S. Secretary of State Antony Blinken speaks during the 2022 Review Conference of the Parties to the Treaty on the Nonproliferation of Nuclear Weapons at the United Nations on Aug. 1, 2022. Angela Weiss/AFP via Getty Images

Why are nuclear weapons so hard to get rid of? Because they’re tied up in nuclear countries’ sense of right and wrong

Policymakers often think of their decisions about nuclear weapons as moral, a nuclear ethicist explains – which is key to understanding their motives.
A caution sign marks the Hanford Nuclear Reservation near Richland, Wash., where plutonium for nuclear weapons was made. Jeff T. Green/Getty Images

Russia is sparking new nuclear threats – understanding nonproliferation history helps place this in context

Despite decades of progress on nonproliferation, Russia’s new threats of nuclear strikes bring to mind that convincing countries to reduce their nuclear weapons has long been very difficult.
Behrouz Kamalvandi, left, spokesman for Iran’s atomic energy agency, listens to a man wearing a surgical mask, an official with the Ahmadi Roshan nuclear site in Natanz, Iran, during a news conference on May 20, 2019. IRIB News Agency via AP

What is the Nuclear Non-Proliferation Treaty? Here’s why it’s still important

Nearly 50 years old, the treaty has been signed by 190 countries – more than any other arms limitation treaty. But now Iran is threatening to withdraw.
Israel has a powerful air force — and it’s not afraid to strike neighbors it perceives as a national security threat. AP Photo/Ariel Schalit

Israel could strike first as tensions with Iran flare

The US isn’t the only country considering a military response to Iranian aggression.
The Department of Energy’s National Nuclear Security Administration supervises the removal of 68 kilograms of highly enriched uranium (enough for two nuclear weapons) from the Czech Republic in 2013. NNSA/Flickr

Lesson one for Rick Perry: The Energy Department doesn’t produce much energy

Former Texas Gov. Rick Perry has experience with energy, but if confirmed as secretary of energy, he should get ready to learn a lot about DOE’s big jobs: nuclear security and basic science research.
More than 70 years after the Hiroshima bombing, a majority of countries are pushing for a legally-binding treaty against nuclear weapons. Tim Wright/ICAN/Flickr

As the world pushes for a ban on nuclear weapons, Australia votes to stay on the wrong side of history

In early December, the nations of the world are poised to take an historic step on nuclear weapons. Yet Australia sticks out like a sore thumb among Asia-Pacific nations in arguing against change.
A computer design for home manufacturing of a receiver, the trigger and firing part, of a semi-automatic rifle. simonov/flickr

3D printing: a new threat to gun control and security policy?

Beyond making guns at home, 3D printing could help countries secretly develop nuclear weapons and terrorists stage more effective attacks. How do we protect innovation and ourselves?

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