The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Non-Proliferation Treaty

The Preparatory Committee for the 2026 NPT Review Conference will hold its second session from July 22 to August 2 at the Palais des Nations in Geneva, Switzerland.

Interview: US diplomat Adam Scheinman on nonproliferation, arms control, and the NPT

By | Analysis, Nuclear Energy, Nuclear Risk, Nuclear Weapons

The NPT Preparatory Committee begins meeting on July 22 at the Vienna International Centre.

Bombs away: Confronting the deployment of nuclear weapons in non-nuclear weapon countries

By Moritz Kütt, Pavel Podvig, Zia Mian | Nuclear Weapons

Alexander Kmentt of Austria (center) talks with fellow delegates at the NPT review conference on May 1, 2015. (Credit: International Campaign to Abolish Nuclear Weapons / ICAN)

How the ban treaty addresses the inherent injustices of nuclear weapons

By Alexander Kmentt | Nuclear Weapons, Voices of Tomorrow

The ban treaty, two years after: A ray of hope for nuclear disarmament

By Alexander Kmentt | Nuclear Weapons, Opinion

NPT Review Conference: Will it rise to the proliferation challenges?

By François Diaz-Maurin | Nuclear Weapons

US President Bill Clinton, Russian President Boris, Yeltsin, and Ukrainian President Leonid Kravchuk sign the Trilateral Agreement on transferring nuclear weapons from Ukraine to Russia and associated matters in Moscow, January 1994. Photo credit: Joseph P. Harahan, historian of the Defense Threat Reduction Agency, and the Clinton Presidential Library.

Why Putin’s betrayal of Ukraine could trigger nuclear proliferation

By Steven Pifer | Nuclear Weapons, Opinion

P5 Press Conference at the United Nations, April 19, 2013. The five Nuclear Non-Proliferation Treaty (NPT) nuclear-weapon states issued a joint statement in January 2022. Credit: Eric Bridiers. Accessed via Flickr. Attribution-NoDerivs 2.0 Generic.

Five nuclear weapon states vow to prevent nuclear war while modernizing arsenals

By Rebecca Davis Gibbons | Nuclear Risk

Executive Secretary Lassina Zerbo speaks the 2015 NPT Review Conference event, “The Urgency of Action on the Comprehensive Test Ban Treaty – Contributing to International Peace and Security in an Increasingly Unstable World.” Credit: The Official CTBTO Photostream. Accessed via Wikimedia Commons.

Key nuclear treaty review plagued by COVID delays as distrust grows

By Lauren Sukin | Nuclear Risk, Nuclear Weapons

US President Donald Trump and his wife, Melania, look on as German Chancellor Angela Merkel communes with French President Emmanuel Macron during ceremonies commemorating the 100th anniversary of the end of World War I.

Why Germany won’t build its own nuclear weapons and remains skeptical of a Eurodeterrent

By Oliver Meier | Nuclear Risk, Nuclear Weapons

Participation in the Nuclear Non-Proliferation Treaty. Countries in red or orange are non-members.

The NPT turns 50: Will it get to 60?

By Henry Sokolski | Nuclear Weapons

Can the nuclear nonproliferation regime be saved when arms control is collapsing?

By John Mecklin | Nuclear Risk, Nuclear Weapons

US President Donald Trump and his wife, Melania, look on as German Chancellor Angela Merkel communes with French President Emmanuel Macron during ceremonies commemorating the 100th anniversary of the end of World War I.

Why Germany won’t build its own nuclear weapons and remains skeptical of a Eurodeterrent

By Oliver Meier | Nuclear Risk, Nuclear Weapons